Géométrie
Triangles, cercles, géométrie analytique et démonstrations.
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in the figure, △xyz ≅ △mnl. find m∠y.
$124$
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true or false 45. the intersection of any two planes is a line. 1.3 46.…
45. False 46. True 47. False 48. True 49. True 50. False
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answer each of the following questions using proportional reasoning. 6)…
$4$ ### 10)
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use arrows a and b for problems 3 - 5 3) what is the scale factor from …
3) The scale factor from A to B is 4. 4) We compared the lengths of corresponding sides of Arrow A and Arrow B. The ratio of corresponding side - lengths (e.g., a side of length 1…
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lesson 10: composing figures cool down: identifying side lengths and an…
In quadrilateral ABCD: $AB = AD = 2.7$, $BC = CD = 3.2$, $\angle B=\angle D = 64.3^{\circ}$. In quadrilateral ABCE: $AB = CE = 2.7$, $BC = AE = 3.2$, $\angle B=\angle E = 64.3^{\c…
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lesson 10: composing figures cool down: identifying side lengths and an…
In quadrilateral \(ABCD\): \(AB = AD = 2.7\), \(BC = CD = 3.2\), \(\angle B=\angle D = 64.3^{\circ}\). In quadrilateral \(ABCE\): \(AB = CE = 2.7\), \(BC = AE = 3.2\), \(\angle B=…
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2. determine the missing angle measure(s) in each problem at right usin…
a. $x = 26^{\circ}$ b. $x=\frac{37^{\circ}}{3}$, $n=\frac{115^{\circ}}{3}$
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an isosceles triangle has an angle that measures 140°. what measures ar…
20°
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a right triangle has one angle that measures 15°. what is the measure o…
75
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a triangle has interior angle measures of 47°, z, and 97°. what is the …
36
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a triangle has interior angle measures of 43°, v, and 98°. what is the …
39
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a triangle has interior angle measures of 38°, 88°, and c. what is the …
54
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a triangle has interior angle measures of 44°, 82°, and w. what is the …
54
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a triangle has interior angle measures of t, 54°, and 54°. what is the …
$72$
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the diagram shows a triangle. what is the value of t? t = °
42
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the diagram shows a triangle. what is the value of a? a =
38
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ms. romano draws figures a and a on the board. a. are figures a and a s…
Marcus's mistake is that he thought the scale factor was 2 (an enlargement), but in fact figure A' is a reduction of figure A with a scale factor less than 1.
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question what is the image of (9, -2) after a reflection over the line …
# Explicación paso a paso: ## Paso 1: Recuerda la regla de reflexión Al reflejar un punto $(x,y)$ sobre la línea $y = x$, la imagen del punto es $(y,x)$. ## Paso 2: Aplica la regl…
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reflect the figure over the line y = -1. plot all of the points of the …
Plot the new points obtained by applying the reflection rule $x' = x,y'=-2 - y$ for each vertex of the original polygon on the coordinate - plane.
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question what is the image of (-9, 7) after a reflection over the line …
$(7, - 9)$
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ccg > chapter 2 > lesson 2.2.3 > problem 2 - 86. calculate the area of …
68 square inches
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question what is the image of (-2, -8) after a reflection over the line…
# Explicación: ## Paso 1: Recordar la regla de reflexión sobre la línea y = x La regla para reflejar un punto (x, y) sobre la línea y = x es cambiar las coordenadas, es decir, (x,…
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question what is the image of the point (5, - 9) after a rotation of 27…
# Explicación: ## Paso1: Aplicar regla de rotación Para una rotación de 270° en sentido anti - reloj alrededor del origen, la regla para un punto $(x,y)$ es $(y, - x)$. Aquí $x = …
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question what is the image of the point (-3,8) after a rotation of 90° …
# Explicación paso a paso: ## Paso1: Aplicar regla de rotación La regla para una rotación de 90° en sentido anti - reloj alrededor del origen para un punto $(x,y)$ es $(x,y)\to(-y…
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lesson 4 | session 2 ms. romano draws figures a and a on the board. a. …
Yes, they are the same shape, so figures A and A' are similar.
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figure wxyz is a dilation of figure wxyz. label the center of dilation.…
The center of dilation is point \(W\). The similarity statement is \(WXYZ\sim WX'Y'Z'\)
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question what is the image of the point (0, -4) after a rotation of 180…
$(0,4)$
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8. $(p + q)^9$ in exercises 5 - 8, expand the binomial using pascals tr…
\(p^{9}+9p^{8}q + 36p^{7}q^{2}+84p^{6}q^{3}+126p^{5}q^{4}+126p^{4}q^{5}+84p^{3}q^{6}+36p^{2}q^{7}+9pq^{8}+q^{9}\)
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question what is the image of the point (-1, 9) after a rotation of 180…
$(1, - 9)$
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question what is the image of the point (-1, -5) after a rotation of 18…
# Explicación: ## Paso 1: Aplicar regla de rotación La regla para una rotación de 180° en el sentido anti - reloj alrededor del origen es $(x,y)\to(-x,-y)$. Para el punto $(-1,-5)…
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question what is the image point of (2, 7) after a translation left 4 u…
$(-2,12)$
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question what is the image point of (-7,2) after a translation right 5 …
# Explicación: ## Paso 1: Calcular la nueva coordenada x Para una traducción hacia la derecha de 5 unidades, sumamos 5 a la coordenada x original. La coordenada x original es - 7.…
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christopher draws figures w, x, y, and z. the center of dilation is v. …
Figure X is a dilation of figure W because it has the same shape and the side - lengths are in proportion with respect to the center of dilation V. Figures Y and Z are not dilatio…
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question what is the image point of (-4,2) after a translation left 1 u…
$(-5,0)$
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3 adnan wants a larger garden. he draws △pqr to show his original garde…
a. $\frac{PQ'}{PQ}=\frac{3}{2}$, $\frac{Q'R'}{QR}=\frac{3}{2}$, $\frac{PR'}{PR}=\frac{3}{2}$ b. The scale factor is $\frac{3}{2}$ c. Dilations are similarity transformations, and …
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question what is the image of the point (-7,5) after a rotation of 180°…
# Explicación: ## Paso 1: Aplicar la regla de rotación de 180° La regla para rotar un punto \((x,y)\) 180° en el sentido anti - reloj alrededor del origen es \((x,y)\to(-x,-y)\). …
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question what is the image of the point (4, 5) after a rotation of 90° …
$(-5,4)$
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solve for x. x = (simplify your answer. type an integer or an improper …
$5$
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dado m || n, encuentra el valor de x e y.
$x = 115$, $y = 65$
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3 adnan wants a larger garden. he draws △pqr to show his original garde…
a. $\frac{PQ'}{PQ}=\frac{3}{2}$, $\frac{Q'R'}{QR}=\frac{3}{2}$, $\frac{PR'}{PR}=\frac{3}{2}$ b. The scale factor of the dilation is $\frac{3}{2}$.
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write the conditional statement p → q, the converse q → p, the inverse …
Conditional ($p ightarrow q$): If two angles are supplementary, then the measures of the angles sum to 180°. (True) Converse ($q ightarrow p$): If the measures of the angles sum t…
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what is the image of the point ( - 8,3) after a rotation of 180° counte…
# Explicación paso a paso: ## Paso1: Recuerda la regla de rotación de 180° Para una rotación de 180° en el plano cartesiano alrededor del origen, el punto $(x,y)$ se transforma en…
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8. is there any value(s) of the domain of x² + y² = 8 that passes the v…
No value of the domain of \(x^{2}+y^{2}=8\) passes the vertical - line test. The equation \(x^{2}+y^{2}=8\) represents a circle centered at the origin with radius \(r = \sqrt{8}\)…
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write the equation of the line in fully simplified slope - intercept fo…
\(y=\frac{1}{8}x - 1\)
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what is cos a? cos a = ?
$\frac{15}{17}$
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question what is the image of the point (2, -3) after a rotation of 180…
$(-2,3)$
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what is tan a? tan a = $\frac{sqrt{?}}{}$
$\frac{\sqrt{17}}{8}$
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question what is the image of the point (-7,9) after a rotation of 270°…
$(9,7)$
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what is sin a? sin a = ?
$\frac{23}{25}$
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question what is the image point of (9, 0) after a translation left 2 u…
$(7,5)$
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what is cos a? cos a = \frac{?sqrt{}}{ }
$\frac{4\sqrt{6}}{25}$
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question what is the image point of (6, 1) after a translation left 5 u…
$(1,0)$
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what is sin a? sin a = ?
$\frac{13}{16}$
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dado m ∥ n, encuentra el valor de x e y.
$x = 41^{\circ}$, $y = 41^{\circ}$
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fill in the blank. ? (a) = $\frac{4}{5}$ hint: remember sohcahtoa.
$\cos$
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fill in the blank. hint: remember sohcahtoa.
$\tan$
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respuesta intento 1 de 2 incógnita = enviar respuesta
$139$
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dado m || n, encuentra el valor de x.
$136$
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2 draw the image of quadrilateral abcd when translated by the directed …
# Explicación: ## Paso 1: Identificar la dirección y distancia de la traducción Observar la línea dirigida para determinar cómo se mueven los puntos. ## Paso 2: Trasladar el punto…
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what is the unknown value in the scale? 5 m explain your thinking.
5
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what is the unknown value in the scale?
5 m
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geometry unit 1 lesson 10-15 practice problems 2 draw the image of quad…
# Explicación detallada: ## Paso 1: Comprender la definición de traducción Una traducción es una transformación que desliza cada punto de una figura por la misma distancia y en la…
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complete the following flow proofs by filling in the missing reasons to…
The missing reasons could be: One of the non - included sides is congruent (Given). And $\triangle UWV\cong\triangle MKV$ by the Angle - Angle - Side (AAS) congruence criterion.
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card sort match each scale drawing with one or more possible way(s) of …
- 15 - m rectangle: 2 units to 5 meters, 1 unit to 2.5 meters - 12 - m rectangle: 3 units to 9 meters, 2 units to 6 meters - 10 - m rectangle: 2 units to 10 meters - Unmatched sca…
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for exercises 5 - 9, sketch and label the figure. mark the figures. 5. …
Sketch and label the figures as described above.
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1 match each directed line segment with the translation from polygon p …
# Explicación: ## Paso 1: Analizar la dirección de la traducción en Translación 1 En Translación 1, el polígono $P$ se mueve hacia la derecha. La flecha que representa una traducc…
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21. ∠lmn is a straight angle. find m∠lmp and m∠nmp.
$m\angle LMP = 77^{\circ}$, $m\angle NMP=103^{\circ}$
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4. which graph represents the solution to |x| < 6?
The second graph (the one with a red line between -6 and 6 with open - circles at -6 and 6)
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given m||n, find the value of x.
$150$
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given m||n, find the value of x.
\(x = 40\)
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complete the following flow proofs by filling in the missing reasons to…
1. Given 2. Reflexive property of congruence 3. Given 4. SAS congruence postulate
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read the passage from sugar changed the world. if you walked down beekm…
A. "Simple enough, but this trade up and down the Atlantic coast was part of a much larger world system."
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4. fill in the missing steps of the proof of the converse of the altern…
2) $\angle1\cong\angle3$; Transitive property of congruence 3) $\angle1$ and $\angle3$ are alternate - interior angles; Definition of alternate - interior angles 4) If alternate -…
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4. write an expression to find the perimeter of the rectangle below: 2 …
$6x + 4$
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given: ∠1≅∠2 prove: a||b fill in the missing steps of the proof of the …
2) $\angle2\cong\angle4$ (Vertical Angles Theorem) 3) $\angle1\cong\angle4$ (Transitive Property of Congruence, since $\angle1\cong\angle2$ and $\angle2\cong\angle4$) 4) $a\parall…
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4. determine if the triangles are congruent. if so, justify your answer…
4. The triangles $\triangle ABC$ and $\triangle EFD$ are congruent by the SSS (Side - Side - Side) congruence postulate. 5. $\angle M\cong\angle Q$ because $\triangle MOP\cong\tri…
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si los ángulos interiores de un pentágono regular suman 540°, ¿cuál es …
# Explicación: ## Paso1: Saber que un pentágono regular tiene 5 ángulos interiores iguales. Un pentágono regular tiene 5 lados iguales y 5 ángulos interiores iguales. ## Paso2: Di…
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en un pentágono, si trazas dos diagonales desde un mismo vértice ¿cuánt…
# Explicación: ## Paso1: Identificar los elementos del vértice Un pentágono tiene 5 lados y 5 vértices. Cuando se trazan dos diagonales desde un vértice, se crean 4 rayos (el vért…
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en un pentágono, si trazas dos diagonales desde un mismo vértice ¿cuánt…
### Explicación: ## Paso 1: Comprender la estructura del pentágono Un pentágono tiene 5 vértices. Cuando se trazan 2 diagonales desde un mismo vértice, se dividen los ángulos en e…
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find the distance between the pair of points. (3, 4) and (0, 8) a) 6 b)…
D. 5
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3. find the value of (x) that makes (pparallel q).
\(x = 15\)
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20. (mangle xyz = 117^{circ}). find (mangle xyw) and (mangle wyz)
$m\angle XYW = 32^{\circ}$, $m\angle WYZ = 85^{\circ}$
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a. find the distance around the park to the nearest yard. the distance …
\(1.2\)
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determine if there is enough information to show that line a is paralle…
There is not enough information.
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3. what additional information is needed to prove the triangles are con…
a. $KL = ST$ b. $EG=LN$ c. $\angle R=\angle L$
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4 multiple choice 1 point what is the quotient of $\frac{9 - x^{2}}{3x}…
$\frac{3 - x}{x + 3}$ ### Question 5
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an architect designs a cube - shaped sculpture where the volume is give…
A. 24 in
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name date period geometry unit 1 lesson 10 - 15 practice problems lesso…
# Explicaciones Breves: 1. Las transformaciones rígidas son rotaciones, reflexiones y traslaciones que preservan la forma y el tamaño de la figura. La dilatación es una transforma…
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430 number sequences (chapter 24) opening problem suppose we draw all t…
a - i: The difference between the number of diagonals of an \((n + 1)\) - sided polygon and an \(n\) - sided polygon increases by 1 each time. a - ii: 14 b - i: 0 b - ii: 2 b - ii…
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build your skills 1. use the pythagorean theorem to find the missing si…
\(84.1\) cm
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find the perimeter of the rectangle below. a b d c $sqrt{27}$ $2sqrt{3}…
A. $10\sqrt{3}$
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the area of a square is 72 in². find the perimeter of the square. o 6√2…
B. $24\sqrt{2}$ inches
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solve the absolute value inequality. other than ∅, use interval notatio…
C. \((-\frac{4}{7},\frac{12}{7})\) and the graph has open - circles at \(-\frac{4}{7}\) and \(\frac{12}{7}\) with shading in between.
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8. tara and veronica are making a parallelogram - shaped banner for a f…
3 bottles
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problem solving a path goes around a triangular park, as shown. a. find…
224
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problem solving a path goes around a triangular park, as shown. a. find…
224
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question 14 (1 point) listen find the midpoint of the line segment whos…
C. \((1,5)\)
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2. determine whether the two triangles are congruent. if they are, just…
a. The two triangles are not congruent. The corresponding sides and angles do not match up according to any of the triangle - congruence postulates. b. The two triangles \(\triang…
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coverage. what will 10 units of coverage cost? a) $30 b) $50 c) $70 d) …
B. 5
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modeling with mathematics the figure shows the positions of three playe…
$8.9$