幾何
三角形、圓、解析幾何與證明題。
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circle = type your answer... sun = type your answer... square = type yo…
Circle = 7 Sun = 3 Square = 5 Triangle = 1
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a point is rotated about the origin. its coordinates are (p(-4,10)) and…
D. 90 degrees (counterclockwise)
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1. if m∠8 = 23°, find the measure of each missing angle. state the angl…
a. $m\angle1 = 23^{\circ}$, Vertical - angles b. $m\angle2 = 23^{\circ}$, Corresponding angles c. $m\angle3 = 23^{\circ}$, Alternate - interior angles d. $m\angle4 = 23^{\circ}$, …
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complete the sentence. a is a type of rectangle. rhombus circle hexagon…
D. square
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find the midpoint of points a(0, -3) and b(7, -7) graphically. plot the…
$(3.5,-5)$
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what is the perimeter of the rectangle? 5 ft 4 ft feet
18
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solve for the value of e.
$56$
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a rectangular blanket is 8 feet long and 6 feet wide. what is the area …
48
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consider the diagram and the derivation below. given: in △abc, ad ⊥ bc.…
$\frac{1}{2}ab\sin(C)$
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this rectangle is made of unit squares. how many unit squares are there…
15
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what is the area of triangle abc? round to the nearest tenth of a squar…
58.8 square units
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which triangles area can be calculated using the trigonometric area for…
The triangle with side - lengths and an included angle (the second triangle, triangle $DEF$) can have its area calculated using the trigonometric area formula.
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what is the area of δabc? round to the nearest tenth of a square unit. …
8.4 square units
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an equilateral triangle has a semi - perimeter of 6 meters. what is the…
7 square meters
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what is the area of triangle def? round to the nearest tenth of a squar…
18.0 square units
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the area of triangle efg is 34.8 square units. what is the perimeter of…
29 units
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the area of parallelogram wxyz is approximately 45 square units. what i…
30 units
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triangle lmn has sides measuring 7 meters and 6 meters and a perimeter …
9 square meters
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solve for the value of e. answer attempt 2 out of 6 e =
$e = 5$
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if the area of a rectangle is 16s²t and the length is 8st², what would …
$\frac{2s}{t}$
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on a softball field, home plate is 43 feet from the pitchers mound. a b…
125 feet
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rotations as functions quick check which of the following mappings is u…
\((x,y)\to(y, - x)\) (the second option)
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a parallelogram has side lengths of 13 and 17 and an angle that measure…
16
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48. possessives & plurals: circle the correct word for the following se…
babies'
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the law of cosines is used to find the measure of ∠z. in the nearest wh…
\(49^{\circ}\)
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identify the mapping description that best describes the rotation. ente…
Option #3. $(x,y)\to(-y,x)$
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a boat traveled north for 28 miles, then turned x° southwest and travel…
39 degrees
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abby used the law of cosines for △kmn to solve for k. k² = 31² + 53² - …
$m\angle K = 37^{\circ}$ and $n = 31$
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what is the value of n to the nearest whole number? law of cosines: $a^…
13
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on which triangle can the law of cosines be used to find the length of …
The second triangle (the one with side lengths 12 and 7 and included angle $57^{\circ}$)
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on which triangle can the law of cosines be applied once to find an unk…
The third triangle (where we know the lengths of all three sides)
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what is the measure of ∠c to the nearest whole degree? 70° 77° 80° 85° …
B. \(77^{\circ}\)
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what is the value of n to the nearest whole number? law of cosines: $a^…
22
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5 problem 4 drag and drop the correct choice to answer each question. a…
# Explicación paso a paso: ## Paso 1: Analizar Pareja 1 Observando la Pareja 1, vemos que Figure A se mueve hacia abajo y hacia la izquierda para convertirse en Figure B. Esto es …
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classify the following statement as either inductive or deductive reaso…
C. Deductive Reasoning
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find the length of the third side. if necessary, round to the nearest t…
$19.5$
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find the length of the third side. if necessary, round to the nearest t…
\(10.3\)
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find the length of the third side. if necessary, round to the nearest t…
$21.8$
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identify the converse of the statement: if point m is not the midpoint …
If XM = MY, then point M is the midpoint of $\overline{XY}$.
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find the length of the third side. if necessary, round to the nearest t…
12
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law of sines: $\frac{sin(a)}{a}=\frac{sin(b)}{b}=\frac{sin(c)}{c}$ in $…
5.8 units
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what is the approximate measure of angle f? use the law of sines to fin…
44.4°
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make a conjecture given that m is the midpoint of $overline{bc}$. ○ $bm…
A. $BM = MC$
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if an angle is acute, then its measure is 20°. which of the following w…
C. 48°
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find the length of the third side. if necessary, round to the nearest t…
24
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transformations 17) consider quadrilaterals abcd and efgh. describe the…
First, translate quadrilateral EFGH 6 units to the right and 10 units up. Then, rotate the translated quadrilateral 180 degrees counter - clockwise about the vertex that coincides…
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identify the inverse of the statement: if point m is not the midpoint o…
If point M is the midpoint of $\overline{XY}$, then XM = MY.
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consider the diagram and the proof below. given: in △abc, ad ⊥ bc prove…
$c\sin(B)=b\sin(C)$
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if a, b, and n are collinear and ab + bn = an, which point is between t…
C. B
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which of the following statements must be true based on the diagram bel…
$A$ is the vertex of two angles that are congruent to one another.
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use the law of sines to find the value of y. round to the nearest tenth…
2.5 units
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rotate △pqr with vertices j(-2, 1), k(1, 1), l(2, 4) 180° clockwise abo…
The image coordinates are J'(2, - 1), K'(-1,-1), L'(-2,-4)
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what is the approximate perimeter of the triangle? use the law of sines…
9.2 units
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in the figure, $overrightarrow{ca}$ and $overrightarrow{ce}$ are opposi…
\(37.8^{\circ}\)
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use the law of sines to find the value of w. what is the best approxima…
4.0 cm
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which expression represents the approximate length of (overline{bc})? l…
\(\frac{(3)\sin(66^{\circ})}{\sin(38^{\circ})}\) (corresponds to the first option)
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if ∠1 ≅ ∠2 and ∠2 ≅ ∠3, then ∠1 ≅ ∠3. which property was used? transiti…
A. Transitive Property
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all of these sequences of transformations would return a shape to its o…
D. Rotate 120° counterclockwise around center C, then rotate 220° counterclockwise around C again.
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what is the approximate length of kl? use the law of sines to find the …
3.7 units
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lucy is playing a video game. she has collected these items. (a) build …
(a) Select "Orbs and Keys", then drag to represent 5 orbs and 2 keys (e.g., 5 circles for orbs and 2 rectangles for keys)
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which equation is true for triangle qrs? law of sines: sina/a = sinb/b …
$\frac{\sin(100^{\circ})}{3.5}=\frac{\sin(Q)}{2.4}$ (the first option)
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unit 2 logic test identify the contrapositive of the statement: if poin…
If $XM = MY$, then point M is the mid - point of $\overline{XY}$
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in the figure, $overrightarrow{ca}$ and $overrightarrow{ce}$ are opposi…
∠ABG and ∠GBC, ∠EDF and ∠FDC, ∠GFC and ∠DFC
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identify the mapping description that best describes the rotation. ente…
Option #2. $(x,y)\to(y, - x)$
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a translation right units and up units.
right 11 units and up 6 units
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the tables below represent the length and width of rectangles: |n|w(n)|…
$a(n)=3n^{2}+4n + 1$
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identify the point that applies a rotation function mapping for p in a …
4
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the movement of the progress bar may be uneven because questions can be…
The solution of the compound - inequality is $-2 < v\leq7$. The graph with an open circle at - 2 and a closed circle at 7 and the line segment in between them represents the solut…
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transformations > rotations as functions △jmh is rotated - 270 degrees …
(8,-1)
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vocabulary complete the blanks with the vocabulary word. 1) __________:…
1. Transformation 2. Pre - image 3. Image 4. Rigid transformation 5. Translation 6. Reflection 7. Rotation 8. Dilation; similar
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unit 4 transformations > rotations as functions use rotation mapping to…
$C'(2,5)$
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rectangle math is rotated 180 degrees about the origin. use rotation ma…
$(-5,1)$
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the movement of the progress bar may be uneven because questions can be…
Match \(-14\leq6x + 4<16\) to the graph with a closed - circle at \(-3\) and an open - circle at 2. Match \(-4x + 3>-9\) and \(-6x\leq12\) to the graph with a closed - circle at \…
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ab is rotated about the origin. if the coordinates of a and b are (0,0)…
D. $(-6,7)$
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multiple - choice question typically where do all graphs start? the top…
D. The origin
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given m||n, find the value of x. answer attempt 2 out of 2 x =
\(124\)
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kuta software - infinite geometry sss, sas, asa, and aas congruence sta…
# Explicación: ## Paso 1: Identificar los triángulos y los lados/ángulos dados Observar las marcas en los triángulos que indican lados iguales y ángulos iguales. ## Paso 2: Aplica…
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a figure is rotated 270° counterclockwise. what happens to its x - coor…
B) It becomes negative.
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which transformation involves flipping a figure over a line of reflecti…
C. Reflection
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in the figure, ca and ce are opposite rays, ch bisects ∠gcd, and gc bis…
$81$
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the point (0, -7) is reflected across the x - axis. what are the coordi…
B. (0, 7)
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a figure is translated 2 units to the left and 3 units down. what are t…
A. \((x - 2,y - 3)\)
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which transformation changes the direction of a figure but keeps its si…
D. Rotation and Reflection
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what is the scale factor of an enlargement that makes a figure half as …
B. 0.5
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the point (5, -2) is reflected across the y - axis. what are the coordi…
B) (-5, -2)
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match each compound inequality on the left to the graph that represents…
Match $4x - 3>9$ or $-8x\geq16$ with the graph having an open - circle at 3 and shading to the right and a closed - circle at - 2 and shading to the left. Match $8x\geq - 24$ and …
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which transformation does not preserve the shape and size of a figure? …
D. Dilation
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a figure is rotated 180° clockwise. what happens to its y - coordinate?…
B) It moves over 2 quadrants
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what is the name of the transformation that moves a figure along a stra…
A. Translation
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the point (-3, 4) is reflected across the x - axis. what are the coordi…
C. $(-3,-4)$
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if a figure is enlarged with a scale factor greater than 1, it becomes …
C. Larger
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which transformation involves sliding the figure? a) translation b) ref…
A. Translation
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what is the result of rotating a figure 90° counterclockwise about the …
C. The figure moves over 1 quadrant
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which of the following best explains the value of sin(π/3) on the unit …
$\sin\frac{\pi}{3}=\frac{\text{opposite}}{\text{hypotenuse}}=\frac{\text{opposite}}{1}=\text{opposite}$, and the value of the opposite side (the $y$ - coordinate of the point on t…
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a figure is reflected across the y - axis. what happens to its x - coor…
B. It becomes the opposite sign
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1) which transformation changes the size of a figure without changing i…
D. Dilation
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haruto simplified the value below. csc(19π/4)=√2. which statement expla…
Haruto is correct because the angle is coterminal with \(\frac{3\pi}{4}\) and the reference angle is \(\frac{\pi}{4}\).
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find the error in the calculations below, if there is one: line (1): -5…
There are no errors.
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the point $p(x,y)$ is on the terminal ray of angle $\theta$. if $\theta…
$P(-\sqrt{21},-2)$
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in the diagram, $overleftrightarrow{ab}$ and $overrightarrow{ec}$ are p…
$x = 4$; $m\angle HEB=36$