幾何
三角形、圓、解析幾何與證明題。
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the length of a rectangle is twice its width. if the area of the rectan…
30 yards
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read the excerpt from a students essay. initially, rainsford tries to e…
A. Finally
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are these figures congruent? hint: use rigid transformations. no yes
Yes
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are these figures congruent? hint: use rigid transformations. yes no
Yes
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the rectangle to the right has width 3x^7 feet and length 9x^5 feet. fi…
$27x^{12}$
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determine if lines r and s are perpendicular. select the correct choice…
The lines \(r\) and \(s\) are perpendicular. If the product is not \(-1\), the answer would be: The lines \(r\) and \(s\) are not perpendicular.
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next, find the y - coordinate of point a; remember, this coordinate tel…
For A': (-1, 5) For B': (-7, 1) For C': (-2, 1)
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which student correctly started the proof, and what should that student…
Both students started the proof correctly. To complete the proof, they should divide both sides of the equation \(a\sin(B)=b\sin(A)\) by \(\sin(A)\sin(B)\) (assuming \(\sin(A) eq…
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highlight all the words that make up the complete subject of the senten…
Spinning in circles quickly
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determine if lines q and v are parallel. select the correct choice belo…
If we assume we find the slopes as above, and they are equal, we would choose the option that says the lines are parallel and fill in the slope values (which are equal for both li…
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now, record the coordinates of points a, b, and c, the image of points …
A' (-1, 4) B' (-3, 0) C' (2, 0)
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now, record the coordinates of points a, b, and c, the image of points …
A': (1,4) B': (-1,0) C': (4,0)
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when the value of the slope gets bigger, the graph of a line gets a. le…
D. steeper
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question 2 of 10 what happens to a line when the y - intercept is chang…
A. As the y - intercept increases, the graph of the line shifts up; E. As the y - intercept decreases, the graph of the line shifts down
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find the value of x.
\(32^{\circ}\)
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if h = 8.1 inches and k = 9 inches, what is the approximate measure of …
B. $26^{\circ}$
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triangle abc is given. if cos(a) = 12/13, what is sin(b)? a. 12/13 b. 5…
A. \(\frac{12}{13}\)
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13.) ∠jkl = 60°, jk = 9, and kl = 6.7. find the length of jl. round to …
# Explicación: ## Paso 1: Aplicar la ley de los cosenos La ley de los cosenos para un triángulo con lados \(a\), \(b\), \(c\) y ángulo \(C\) opuesto al lado \(c\) es \(c^{2}=a^{2}…
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solve the given right triangle for its missing angle and side measures.…
A. $m\angle D = 55^{\circ}, DE\approx8.40$ units, $DF\approx14.65$ units
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12.) ∠yxz = 58°, xz = 4, and xy = 7.5. find the length of yz. round to …
# Explicación: ## Paso 1: Aplicar la ley de los cosenos La ley de los cosenos para $\triangle XYZ$ es $YZ^{2}=XY^{2}+XZ^{2}-2\cdot XY\cdot XZ\cdot\cos(\angle YXZ)$. Sustituimos $X…
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11.) if xz = 18, yz = 22, and xy = 33, find the measurement of ∠xyz. * …
# Explicación: ## Paso 1: Aplicar la ley de los cosenos La ley de los cosenos para un triángulo con lados \(a\), \(b\), \(c\) y el ángulo \(\theta\) opuesto al lado \(c\) es \(c^{…
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10.) find the measurement of ∠yxz. round to the nearest tenth of a degr…
# Explicación: ## Paso 1: Aplicar la ley de cosenos La ley de cosenos para un triángulo con lados \(a\), \(b\), \(c\) y el ángulo \(\theta\) opuesto al lado \(c\) es \(c^{2}=a^{2}…
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9.) find the measurement of lm. round to the nearest tenth. 10.) find t…
# Explicación: ## Paso 1: Aplicar la ley de los cosenos La ley de los cosenos para un triángulo con lados \(a\), \(b\), \(c\) y el ángulo \(C\) opuesto al lado \(c\) es \(c^{2}=a^…
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classify these similar triangles as an example of aa similarity, sss si…
C. Not similar
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the equation of a circle is given below. identify the radius and center…
Radius: $2$ Center: $(0,4)$
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8.) find the measurement of ∠xzy. round to the nearest tenth of a degre…
# Explicación: ## Paso 1: Aplicar la ley de cosenos La ley de cosenos para un triángulo con lados \(a\), \(b\), \(c\) y el ángulo \(C\) opuesto al lado \(c\) es \(c^{2}=a^{2}+b^{2…
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lets chat- parallel vs. perpendicular parallel: keep the slope, change …
The lines passing through $(-4,1),(-3,-2)$ and the line passing through $(-2,1),(-1,-2)$ are parallel because they have the same slope ($m = - 3$).
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en la figura mostrada a continuación, l || m. hallar x. 101° x° 50°
$x = 29$
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en la figura mostrada a continuación, l || m. hallar x. 33° 67° x =
\(80\)
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a new road that connects uniontown to springville is 4 1/3 miles long. …
$4\frac{7}{24}$
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en la figura mostrada a continuación, l || m. hallar x.
$65$
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en la figura mostrada a continuación, l || m. hallar x. 39° 93° x° x =
$x = 48$
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transformation rule: when translation is based on the vector <a, b>, th…
$(x + a,y - b)$
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transformation rule: when translation is based on the vector (a, b), th…
\((x + a,y + b)\)
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question: abbot tools is designing a new toolbox. the length of the too…
28.5 inches
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lets chat- parallel vs. perpendicular parallel: keep the slope, change …
The lines passing through $(-4,1)$ and $(-3,-2)$ and the line passing through $(-2,1)$ and $(-1,-2)$ are parallel because they have the same slope ($m=-3$).
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9. solve for x setup: x=
Setup: $3x = 60$ $x = 20$
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using bcde. if de = 3 cm and be = 3 cm, what is the smallest diameter o…
C. $4.24$ cm
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8. solve for m∠cbd and m∠cbv setup: x= m\\angle{cbd}= m\\angle{cbv}=
setup: $(9x - 2)+(20x + 5)=180$ $x = 6$ $m\angle CBD=52^{\circ}$ $m\angle CBV=125^{\circ}$
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has partially completed the construction, as shown below. what should b…
Use the compass to find the perpendicular bisector for side DF.
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below is the final image points b a t after going through a translation…
B (-7,-12) A (8,-2) T (9,13)
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question 5 of 5 type the correct answer in the box. use numerals instea…
$32.3$
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is circumscribed about the candy bar. if $overline{ad}=3$ cm, what is t…
C. 5 cm
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point d is the incenter of triangle bca. if m∠fdg = 128°, what is the m…
$64^{\circ}$
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a city bus has a wheelchair ramp. when the bus is raised so that the do…
2.3 feet
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quadrilateral abcd has been through a translation of (x,y)→(x + 4,y - 7…
$(-1,2)$
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practice with functions and transformations/translations/reflections se…
A. (1,4)
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apex grocery wants to build a warehouse that is equidistant from its th…
Construction Y, because the point \(E\) is the circum - center of \(\triangle LMN\) and the circum - center of a triangle is equidistant from its vertices.
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to go from the pre - image △abc to △abc the image, what would be the co…
\((x,y)\to(x + 4,y-1)\)
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question 2 of 5 select the correct answer from the drop - down menu. wh…
41
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in the picture to the right, the bottom shape (pre - image) has been tr…
$(x,y)\to(x,y + 6)$
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noah is baking a two - layer cake, in which the bottom layer is a circl…
$\overline{AB}=\overline{AC}$ because their arcs are congruent; therefore, $\triangle ABC$ is an isosceles triangle.
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how many degrees of rotational symmetry does this octagon have that wou…
45 degrees
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quadrilateral cdef is inscribed in circle a. if m∠c = 9x° and m∠e = 7x …
\(81^{\circ}\)
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how many lines of symmetry (if any) does this figure have and what is t…
1 line of symmetry and NO Rotational symmetry
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if (mangle ihj) is (42^{circ}), what is (mangle ijh? 45^{circ} 48^{circ…
B. $48^{\circ}$
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7. solve for m∠t setup: x= m∠t =
setup: $(6x - 6)+(7x + 1)+55=180$ x = 10 $m\angle T=54^{\circ}$
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question 5 (multiple choice worth 1 points) (07 02r mc) what is the fir…
D. Construct the angle bisector of angle Y.
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if (mangle fcd=(2x + 5)^{circ}) and (mangle fed=(3x - 10)^{circ}), what…
C. 37
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8. find ln and nq. ln = ____________ nq = ____________
\(LN = 12\), \(NQ = 2\)
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given the description of the following triangles classify each one a. t…
a. Obtuse, Isosceles b. Right, Scalene c. Acute, Scalene
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6. which angle is adjacent to ∠6? 7. which angle is vertical to ∠3? 8. …
6. ∠1 7. ∠5
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9. a museum is designing a new exhibit about space composed of a right …
The surface area of the hemisphere is $578\pi$. The height of the cylinder is $34$.
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use the exterior angle theorem to solve for x x=
$121$
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use the exterior - angle theorem to solve for x
$87$
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3.1 the cartesian coordinate system extra practice (test 2 sections) 1)…
A: (-2,4) is plotted as described. B: (0,-7) is plotted as described. C: (2,-4) is plotted as described. D: (0,5) E: (0,0) F: (8,-1)
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name each figure below 1. 4. give another name for plane n. 5. classify…
1. Ray $\overrightarrow{HW}$ 4. Plane $BCD$ 5. Obtuse 6. $\angle{5}$ 7. $\angle{6}$ 8. $LN = 2$, $NQ = 6$
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find the value of x and yz if y is between x and z. xy = 12, yz = 2x, a…
$x = 8$ $YZ = 16$
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what are the numerical measures of each angle in the diagram? ∠1 and ∠3…
∠1 and ∠3 measure 29 degrees. ∠2 and ∠4 measure 151 degrees.
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find the value of c and yz if y is between x and z. xy = 5.5, yz = 2c, …
$c = 1.7$; $YZ = 3.4$
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4. solve for x. setup: x=
\(x = 4\)
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find the value of a and yz if y is between x and z. xy = 7a, yz = 5a, x…
# Explicación: ## Paso 1: Aplicar la propiedad de segmentos Como $Y$ está entre $X$ y $Z$, entonces $XY + YZ=XZ$. Sustituimos los valores dados: $7a + 5a=6a + 24$. ## Paso 2: Simp…
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4. solve for x setup: x=
6
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3. use the triangle sum theorem to solve for x
93
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37. which of these factors may contribute to a mental health disorder? …
37. A, C, D, F 38. A, C, E, F 39. C 40. C 41. C 42. C 43. A 44. D
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2. solve for the perimeter of △tsv 10r - 2 9r 5r + 8 setup: r= perimete…
Setup: $24r + 6$ $r = 2$ perimeter = $54$
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find the distance between the pair of points (5,1) and (9,9). if necess…
The distance between the given points is $4\sqrt{5}$ units. A. The distance between the given points is approximately $8.94$ units.
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solve for the perimeter of △tsv. 10r - 2, 9r, 5r + 8. setup: r= perimet…
Setup: $24r + 6$ $r$: Not enough information perimeter: $24r+6$
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a rectangular solid has a length of 3 cm, a height of 4 cm and a width …
60
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question 29 (1 point) the cross - section of a satellite dish mounted t…
d) 6 cm
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1. given isosceles triangle △fox with a base (overline{of}) answer the …
Which angle, if any, is congruent to \(\angle F\): \(\angle O\) What side, if any, is congruent to \(\overline{OF}\): None What is the non - congruent angle: \(\angle X\)
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name pd geometry module 1 end (2d and 3d figures) 1. a cylinder with a …
D. A rectangle with height 8 inches and width 3.5 inches ### 2. - **Rotation about \(x = 4\)**: - When the right - triangle is rotated about the vertical line \(x = 4\), it will g…
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find the measure of $overline{nq}$. a) $\frac{1}{4}$ in. b) $\frac{5}{4…
C. $2\frac{1}{4}$ in.
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a cube is 4 cm on each side. what is its volume? a 32$cm^{3}$ b 16$cm^{…
C. $64cm^3$
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true or false circle t for true, or circle f for false. 1. t f a mental…
1. T 2. F 3. F 4. F 5. T 6. T 7. T 8. T 9. T 10. T 11. F 12. F 13. T 14. T 15. F 16. F 17. T 18. F
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a rectangular box has a length of 12 cm, a width of 20 cm, and a height…
d. 1200 mL
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question 29 (1 point) the cross - section of a satellite dish mounted t…
d) 6 cm
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find the measure of $overline{pr}$.
# Explicación: ## Paso 1: Identificar la longitud de la línea. La longitud de $\overline{PR}$ está dada directamente en la figura como 5.8 mm. No es necesario realizar cálculos ad…
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write the standard form of the equation of the circle with the given ce…
$(x - 2)^2+(y - 8)^2=16$
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5. a silo consists of a cylindrical section and a conical top, both fil…
5. B. 1,646 6. D. 9 7. 1200 8. A. 81,855 9. 578π
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question given vector v = <1, 1>, find 4v. answer attempt 1 out of 3 an…
$\langle 4,4 angle$
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refer to the figure. name a point contained in line n.
B
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question given vector v = <4,3>, find -2v. answer attempt 1 out of 3 an…
$\langle - 8,-6 angle$
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refer to the figure. name a line that contains point e.
# Explanation: ## Paso 1: Observar la figura Vemos que el punto E está en la línea q. # Respuesta: q
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question given vector v = <5, -5>, find -2v. answer attempt 2 out of 3 …
$\langle -10,10 angle$
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refer to the figure. name four points that are coplanar. a) a, b, c, d …
# Explicación: ## Paso 1: Definir puntos coplanarios Los puntos coplanarios son aquellos que se encuentran en el mismo plano. ## Paso 2: Analizar el plano inferior En la figura, l…
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what is the minimum value of the parabola shown? a) -1 b) 1 c) -12 d) 12
C. - 12
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what is the minimum value of the parabola shown? (a) 1 (b) 12 (c) -1 (d…
a) 1
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what are the coordinates of point b?
$(3,3)$
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what is the minimum value of the parabola shown? (a) 1 (b) 12 (c) -1 (d…
c) 12