幾何
三角形、圓、解析幾何與證明題。
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formative assessment questions: jake is looking to buy some fence for h…
1. # Explicación: ## Paso 1: Encontrar el lado del cuadrado de las zanahorias El área de un cuadrado es $A = s^{2}$, donde $A = 27$ pies². Entonces $s=\sqrt{27}=3\sqrt{3}$ pies. #…
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given the formula for the circumference of a circle, c = 2πr, how would…
$r=\frac{C}{2\pi}$
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the surface area of a square pyramid can be calculated using the equati…
$S-\frac{1}{2}lp$
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which expression can be used to find the surface area of the trapezoida…
$132$
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which expression can be used to find the surface area of the trapezoida…
132
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which expression can be used to find the surface area of the trapezoida…
If we assume the correct expression for surface - area calculation is \(6\times3+6\times4+6\times5+6\times8+2\times[\frac{1}{2}(3\times4)]\), the surface - area is \(132\) square …
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carrie is packing her clothes in moving boxes that are in the shape of …
No; 12 inches = 1 foot. The cube root of 3 is mayor than 1, so the boxes son too tall to fit on the shelves.
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which expression can be used to find the surface area of the trapezoida…
The surface - area calculated from the given expression \(6\times3+6\times4+6\times5+6\times8+2[\frac{1}{2}(3\times4)]\) is \(132\) square feet. But the correct surface - area of …
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what is the surface area of the trapezoidal prism? s.a. = 152 ft². expr…
$SA = 6\times3+6\times4+6\times5+6\times8+2\times\frac{1}{2}(3\times4)$
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the radius of a circle with area a can be approximated using the formul…
# Explicación: ## Paso 1: Sustituir el valor de A Dado que $A = 452$, sustituimos en la fórmula $r=\sqrt{\frac{A}{3}}$. Tenemos $r=\sqrt{\frac{452}{3}}$. ## Paso 2: Calcular la di…
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what is the surface area of the trapezoidal prism? s.a. = ___ ft² which…
$152$
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if the area of a square is 32 square feet, estimate the length of each …
# Explicación: ## Paso 1: Recordar la fórmula del área de un cuadrado El área $A$ de un cuadrado se calcula como $A = s^2$, donde $s$ es la longitud del lado. Entonces, $s=\sqrt{A…
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which expression can be used to find the surface area of the trapezoida…
$6\times3+6\times4 + 6\times5+2\times\frac{1}{2}(3\times4)$
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which expression can be used to find the surface area of the trapezoida…
$6\cdot3 + 6\cdot4+6\cdot5 + 6\cdot8+2[\frac{1}{2}(3\cdot4)]$
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which expression can be used to find the surface area of the trapezoida…
\(6\times3+6\times4 + 6\times5+2\times\frac{1}{2}(3\times4)\)
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the answer to each riddle is one of the shapes below. find the correct …
# Explicación: ## Paso 1: Analizar las características del primer enigma Es un prisma rectangular, menos de 3 cubos de alto, más de 5 cubos en volumen y menos de 8 cubos en volume…
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use similar triangles and a proportion to find the length of the lake s…
92
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current skill find the measure of angle 7. 7 8 5 7x + 187 3 4 2 -5x + 31
\(84^{\circ}\)
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use similar triangles to solve. a person who is 5 feet tall is standing…
65
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△abc is similar to △dec. find the length of x. the length of side x is …
$6.3$
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part 1 of 2 use the figure shown to the right to prove the following. g…
The proof is completed by showing that $\frac{AB}{AC}=\frac{AC}{AD}$ and $\frac{AB}{BC}=\frac{BC}{DB}$ using the property of similar right - triangles formed by the altitude to th…
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the given diagram shows the parts of a right triangle with an altitude …
\(s_2 = 9\), \(h = 17\), \(u_1=2\sqrt{34}\), \(a = 6\sqrt{2}\)
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the figure shows a net of a rectangular prism. which expression can be …
$488$
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the figure shows a net of a rectangular prism. which expression can be …
$488$
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the figure shows a net of a rectangular prism. which expression can be …
$488$
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the figure shows a net of a rectangular prism. which expression can be …
$488$ $cm^{2}$
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the figure shows a net of a rectangular prism. area of rectangle a = l·…
\(2(20\times8)+2(20\times3)+2(8\times3)\)
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a net for a three - dimensional figure is shown on grid paper. each squ…
34 in²
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a net for a three - dimensional figure is shown on grid paper. each squ…
34 in²
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△ghi is a translation of △ghi. write the translation rule.
$(x,y)\to(x - 8,y + 8)$
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which expression can be used to find the surface area of the triangular…
\(2\times\frac{1}{2}\times3\times4 + 4\times2+3\times2 + 5\times2\)
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a net for a three - dimensional figure is shown on grid paper. each squ…
77
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sort the words according to the meanings of their shared roots. cardiog…
- heart: cardiogram, cardiac, cardiologist - four: quadrangle, quadriplegic, quadruped
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a photo collage consists of seven equal - sized square photos arranged …
63
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a cement path consists of six equal - sized cement squares arranged in …
24
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which of the following lines from declaration of conscience best shows …
As a woman, I wonder how the mothers, wives, sisters, and daughters feel about the way in which members of their families have been politically mangled in Senate debate - and I us…
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which of the following lines from declaration of conscience best shows …
It is high time that we all stopped being tools and victims of totalitarian techniques - techniques that, if continued here unchecked, will surely end what we have come to cherish…
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a photo collage consists of seven equal - sized square photos arranged …
63
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use the image to answer the question. to indicate the solution for (xge…
-1, 4
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look at this graph: write the equation of the line.
$x = 4$
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the radius of a circle with area a can be approximated using the formul…
# Explicación: ## Paso 1: Sustituir el valor de A Dado que $A = 452$, sustituimos en la fórmula $r=\sqrt{\frac{A}{3}}$. $r=\sqrt{\frac{452}{3}}$ ## Paso 2: Calcular la división in…
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dada a figura mostrada abaixo, determine o comprimento de b.
$4$ in
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dada a figura mostrada abaixo, determine o comprimento de b.
6 inches
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if the area of a square is 32 square feet, estimate the length of each …
# Explicación: ## Paso1: Recordar la fórmula del área de un cuadrado El área $A$ de un cuadrado con lado $s$ está dada por $A = s^{2}$. Entonces, $s=\sqrt{A}$. ## Paso2: Sustituir…
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dada a figura mostrada abaixo, determine o comprimento de c. show your …
$4\sqrt{5}$ in
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dada a figura mostrada abaixo, determine o comprimento de b. show your …
$7$ in
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dada a figura mostrada abaixo, determine o comprimento de b. show your …
$7\ cm$
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um poço de desejos circular tem um diâmetro de 4.5 pés. no fundo do poç…
0.11
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um ponto é escolhido aleatoriamente dentro do retângulo abaixo. qual é …
$\frac{91}{528}$
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um ponto é escolhido aleatoriamente dentro do retângulo abaixo. qual é …
$\frac{5}{32}$
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um ponto é escolhido aleatoriamente dentro do retângulo abaixo. qual é …
$\frac{77}{442}$
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um ponto é escolhido aleatoriamente dentro do retângulo abaixo. qual é …
$\frac{2}{13}$
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complete the helpful math hints box and then solve the problems. a) the…
Distance: 10 miles Displacement: 0 miles
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graph the image of rectangle defg after a translation 3 units right and…
Graph the rectangle with vertices \((-3,-5)\), \((5,-5)\), \((5,5)\), \((-3,5)\)
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complete the proof that m∠rts + m∠vwy = 180°. statement reason 1. vx ||…
2. Corresponding - angles postulate; 3. Linear - pair postulate; 4. Substitution property of equality.
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rt || gi and uw || gi. complete the proof that ∠tsx ≅ ∠qvu. statement r…
3. Alternate Interior Angles Theorem; 5. Transitive Property of Congruence
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graph the line y = -6.
Draw a horizontal line passing through the point $(0,-6)$ on the $y$-axis. For any $x$ - value (e.g., $x = - 3,-2,-1,0,1,2,3$), the $y$ - value is always $-6$.
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graph the polygon with the given vertices and its image after the given…
The original polygon has vertices $A(-2,-3),B(-3,2),C(3,-1)$ and the rotated polygon (after $180^{\circ}$ rotation about $A$) has vertices $A(-2,-3),B'(-1,-8),C'(-7,-5)$.
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in the figure below, there are three right triangles. complete the foll…
(a) $\triangle LJM\sim\triangle KJM\sim\triangle KJL$ (b) $\frac{JM}{JL}=\frac{LJ}{KL}$, $\frac{KJ}{KL}=\frac{MJ}{KM}$
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what is the value of z? 84.8° 71.8°
\(23.4\)
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in the figure below, there are three right trangles. complete the follo…
(a) $\triangle WYX\sim\triangle YZX\sim\triangle WZY$ (b) $\frac{ZX}{YX}=\frac{YX}{WX}$, $\frac{WZ}{YZ}=\frac{YZ}{ZX}$
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pr and su are parallel lines. which angles are alternate exterior angle…
$\angle PQO$ and $\angle UTV$
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look at this diagram: if $overline{su}$ and $overline{vx}$ are parallel…
$58$
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solve the inequality and graph the solution. 56 - c ≤ 48 to draw a ray,…
The solution of the inequality is $c\geq8$. On the number - line, we plot a closed circle at 8 (since the inequality is $\geq$) and draw an arrow to the right.
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find the values of x and y. (12x)° 42° (6y)° x = y =
$x = 3.5$ $y = 15$
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what is the value of j? 60.5° 35.4° j
84.1
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plot a point anywhere step 1 of 1: enter the x - and y - coordinates of…
\(x = 2,y=\frac{1}{2}\)
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find the values of x and y. x = y = save answer
$x=\frac{22}{3}$ $y = 3$
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what is the value of d? 78.4° 73.1° d save answer use previous answer
$28.5$
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describe the rotation as a (a) counterclockwise rotation and (b) clockw…
a. 270° b. 90° $(x,y)\to(y, - x)$
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graph $overline{xy}$ with endpoints $x(-3,1)$ and $y(4, - 5)$ and its i…
The coordinates of the endpoints of the image are $X_2(-3,-1)$ and $Y_2=(4,5)$, and the coordinate rule for the composition is $(x,y)\to(y,-x)$
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9 as shown in the figure, a, b, c and d are on ⊙o, bc is a diameter of …
9. C. $56^{\circ}$ 10. B. $108^{\circ}$
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reasoning the volume of a new extra - large toy tennis ball for pets is…
994
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graph (xy) with endpoints (x(-3,1)) and (y(4, - 5)) and its image after…
$(x,y)\to(x,-y)$
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assignment date______ period______ find the volume of each figure. roun…
1. \(256.2\) yd³ 2. \(56\) km³ 3. \(256\) yd³ 4. \(100.8\) yd³ 5. \(\frac{175}{3}\approx58.33\) ft³ 6. \(54.6\) m³ 7. \(\frac{256\pi}{3}\approx268.08\) yd³ 8. \(216\pi\approx678.5…
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graph xy with endpoints x(-3, 1) and y(4, -5) and its image after the c…
$(x,y)\to(x,-y)$; The new endpoints are $X(-3,-1)$ and $Y(4,5)$
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persevere find the volume of a cube that has a total surface area of 54…
27
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write which solid has a greater volume: cone with a base radius of 7 ce…
The cone and pyramid have nearly the same volumes. Cone: The area of the base is approximately 154 square centimeters, so $V\approx\frac{1}{3}(154)(28)$ or about 1437 cubic centim…
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write which solid has a greater volume: cone with a base radius of 7 ce…
The cone and pyramid have nearly the same volumes
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5 find the value of x, y, and z. 6 as shown in the figure, a, b, and c …
1. \(x = 25\), \(y = 50\), \(z = 25\) 2. \(x = 65\), \(y = 75\), \(z = 55\) 6. \(m\angle ACB=44^{\circ}\)
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3 as shown in the figure below, a, b and c are on ⊙o. if m∠cbo = 40°, t…
3. $40^{\circ}$ 4. $35^{\circ}$
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error analysis describe the error in graphing the image of quadrilatera…
The error is that the points of the quadrilateral were translated 1 unit to the left and 2 units up instead of 2 units down as per the rule $(x,y)\to(x - 1,y - 2)$.
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1. find the measure of the central angle ∠1 in each of the following fi…
1. - First figure: 275° - Second figure: 80° - Third figure: 90° 2. D. 50
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write a rule for the translation of △lmn to △l m n. (x,y)→(□,□)
\((x,y)\to(x + 3,y+1)\)
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write a rule for the translation of △lmn to △lmn. (x,y)→(□,□)
$(x,y)\to(x - 6,y + 2)$
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graph $overline{vw}$ with endpoints $v(-6, - 4)$ and $w(-3,1)$ and its …
The endpoints of the original segment are $V(-6,-4)$ and $W(-3,1)$. The endpoints of the image segment after the composition of translations are $V'(-9,-7)$ and $W'(-6,-2)$. To gr…
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graph $overline{vw}$ with endpoints $v(-6, - 4)$ and $w(-3,1)$ and its …
The endpoints of the image of $\overline{VW}$ are $V_2(-9,-7)$ and $W_2(-6,-2)$.
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graph $overline{vw}$ with endpoints $v(-6, - 4)$ and $w(-3,1)$ and its …
The original segment $\overline{VW}$ has endpoints $V(-6,-4)$ and $W(-3,1)$. The image segment $\overline{V'W'}$ after the composition of translations has endpoints $V'(-9,-7)$ an…
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the endpoints of $overline{gh}$ are $g(-6,2)$ and $h(4,8)$. find the co…
$(-1,5)$
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graph quadrilateral abcd with vertices a(-4, 1), b(-3, 3), c(0, 1), and…
Vertices of the original quadrilateral: $A(-4,1),B(-3,3),C(0,1),D(-2,0)$; Vertices of the translated quadrilateral: $A'(0,-1),B'(1,1),C'(4,-1),D'(2,-2)$ and graph them on the grid.
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math practice test a right - triangle has an adjacent - side length of …
C. 30 in²
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compositions. what is the final transformation in the composition of tr…
a reflection across line m
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compositions which rule describes the composition of transformations th…
$r_{x - axis}\circ T_{-6,1}(x,y)$
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a composition of transformations maps △xyz to △xyz. the first transform…
a reflection across line $m$
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4520va v. geometry sem a geometry compositions which rule describes the…
\(r_m\circ R_{B',90^{\circ}}\)
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520va v. geometry sem a geometry compositions which rule describes the …
$r_{l}\circ R_{Q,180^{\circ}}$
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compositions which composition of transformations maps figure efgh to f…
a reflection across line k followed by a translation down
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what is the final transformation in the composition of transformations …
a 180° rotation about point B'
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figure wxyz is transformed using the rule $r_{y - axis}circ t_{-4,2}(x,…
D. $(3,8)$
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triangle jkl is transformed using the rule $r_{0,90^{circ}}circ r_{y = …
$(4,-7)$