幾何
三角形、円、座標幾何、証明問題。
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question solve for the value of a. answer attempt 1 out of 2 a =
\(a = \frac{34}{3}\)
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f is the midpoint of $overline{eg}$. if $ef = 2x$ and $fg = x + 7$, wha…
14
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reflect point c over the dashed line. enter the new coordinates. c = (?…
\((0,1)\)
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find the distance between the points (9, 3) and (0, 9). write your answ…
$3\sqrt{13}$
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what is the best estimate for the area of circle a, in square units? us…
C) 113.04 square units
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graph the image of △abc after a translation 1 unit left and 6 units up.
Plot the points \(A'(-7,7)\), \(B'(-7,9)\), \(C'(-2,5)\) and connect them to get the image of \(\triangle ABC\) after the given translation.
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based only on the information given in the diagram, which congruence th…
C. LA D. SAS F. LL
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the graph of an equation is given. (a) find the intercepts. (b) indicat…
(a) The intercepts of the graph are \((-2,0),(0,0),(2,0)\) (b) The graph is symmetric with respect to the origin.
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the units of the subway map below are in miles. suppose the routes betw…
(The actual answer depends on the coordinates of B and D from the grid. After counting the grid - squares for the x and y differences between the two points and applying the dista…
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for the following right triangle, find the side length x.
26
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what number can you multiply each length in the scale drawing by to fin…
8
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one vertex of a triangle is located at (0, 5) on a coordinate grid. aft…
$R_{0,270^{\circ}}$, $R_{0,-90^{\circ}}$
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triangle abc is translated according to the rule (x, y) → (x + 2, y - 8…
E. $(6, - 13)$
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for the figure below, give the following. (a) one pair of angles that f…
(a) $\angle1$ and $\angle2$ (b) $\angle3$ and $\angle4$ (c) $\angle5$ and $\angle6$
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point k is on line segment $overline{jl}$. given $kl = 2x - 2$, $jl = 4…
21
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classify each figure as a line, ray, or line - segment. then, show how …
(a) line segment, \(\overline{PQ}\) (b) ray, \(\overrightarrow{TU}\) (c) ray, \(\overrightarrow{RS}\)
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classify the four angles of the quadrilateral.
∠A: Right ∠B: Acute ∠C: Obtuse ∠D: Acute
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figure 1 and figure 2 below are congruent. which angle corresponds to a…
Angle H
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figure 1 and figure 2 below are congruent. which side corresponds to si…
Side \(DA\)
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find the area of a sector of a circle having radius r and central angle…
$57.2$
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refer to the figure to the right. (a) how many inches will the weight i…
(a) $11.7$ (b) $31^{\circ}12'$
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find the area of the figure. (sides meet at right angles.)
39
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(from unit 1, lesson 2.) 9. in the construction, a is the center of one…
D. \(CA\)
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use reference angles to find the exact value of the following expressio…
A. $\frac{\sqrt{3}}{3}$
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classify the four angles of the quadrilateral.
∠A: Right ∠B: Obtuse ∠C: Acute ∠D: Right
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problem 6: (first taught in lesson 29) complete this sentence with the …
B. acute
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the right triangle on the right is a scaled copy of the right triangle …
$\frac{15}{16}$
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reflect the figure across the x - axis. then decide if each statement a…
False True True True
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(from unit 1, lesson 4.) 5. in the construction, a is the center of one…
Segment \(EA\) and segment \(BC\) are radii of circles with equal radii lengths, so \(EA\) is the same length as \(BC\).
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find the area of the figure.
$24$ $cm^{2}$
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write the standard form of the equation and the general form of the equ…
\(x^{2}+y^{2}-8x + 4y+13 = 0\)
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find the center and radius of the circle. write the standard form of th…
$1.5$
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question point q is on line segment $overline{pr}$. given $qr = 2x + 4,…
$46$
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write the coordinates of the vertices after a reflection over the x - a…
$D'(-6,4)$ $E'(-6,0)$ $F'(-4,1)$ $G'(-6,9)$
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which is the approximate measure of angle y? use the law of sines to fi…
$59^{\circ}$
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what is the approximate measure of angle f? use the law of sines to fin…
$44.4^{\circ}$
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consider the diagram and the proof below. given: in △abc, ad ⊥ bc. prov…
$c\sin(B)=b\sin(C)$
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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 equation is true for triangle qrs? law of sines: $\frac{sin(a)}{a…
$\frac{\sin(100^{\circ})}{3.5}=\frac{\sin(Q)}{2.4}$
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what is the approximate value of k? use the law of sines to find the an…
3.8 units
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the figures below are similar. use proportions to find the length of n.…
$2$
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here is a diagram of a straightedge and compass construction. c is the …
Since $CB$ and $CD$ are both radii of the circle with center $C$, by the property that all radii of a circle are equal, the length of segment $CB$ is the same as the length of seg…
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figure s is the result of a transformation on figure r. which transform…
A 90 - degree clockwise rotation about the origin.
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identify two angles that are marked congruent to each other on the diag…
∠IEH is congruent to ∠HFI
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section 1.2 i can use the segment addition postulate. 6. point l is on …
$x = 4$, $LM = 12$, $KL = 8$, $KM = 20$
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look at this diagram: if $overleftrightarrow{ln}$ and $overleftrightarr…
$129$
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look at this diagram: if (overleftrightarrow{tv}) and (overleftrightarr…
$41$
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if $overleftrightarrow{gi}$ and $overleftrightarrow{jl}$ are parallel l…
$136$
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find the distance d(a,b) between points a and b. a(1, - 6); b(1,5) d(a,…
$11$
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look at this diagram: if (overleftrightarrow{jl}) and (overleftrightarr…
$63$
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solve for the value of y. answer attempt 1 out of 2 y =
$y = 5$
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graph the inequality below on the number line. a>8
Draw an open - circle at 8 and shade to the right on the number line.
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the figures below are similar. use proportions to find the length of n.
$12$
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find the location of k, the midpoint of $overline{jm}$. location of k:
5.9
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for the circle having the given equation, find each coordinate of the c…
Center: $(3,1)$ Radius: $\sqrt{8}\approx2.828$
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find the center and radius of the circle having the given equation. $x^…
Radius: $5$ Center: $(-1,3)$
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2.2 score: 12/13 answered: 12/13 question 13 for the circle having the …
Center: \((-2,-4)\) Radius: \(\sqrt{45}\approx6.708\)
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follow the steps to find the surface area of the rectangular prism. wha…
$548$ cm²
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encuentra la medida del ángulo que falta. respuesta a
$23^{\circ}$
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encuentra la medida de los ángulos que faltan. respuesta d = e = f =
$d = 32^{\circ}$ $e = 111^{\circ}$ $f = 111^{\circ}$
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find the surface area of this cylinder. use 3.14 for π. do not round yo…
The area of both circles is $1413$ $cm^{2}$, the area of the rectangle (lateral - surface area) is $3768$ $cm^{2}$, and the total surface area is $5181$ $cm^{2}$.
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what are the coordinates of point b?
(2,0)
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find the coordinates of the vertices of each figure after the given tra…
$E'(- 2,2),J'(-1,-2),R'(-3,-3),S'(-5,-2)$
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plot the points (5,0), (5, - 4), (5,4), (5,9), and (5, - 3). describe t…
The set of all points of the form $(5,y)$ where $y$ is a real number is a vertical line passing through the point $x = 5$ on the $x$ - axis.
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graph the image of kite abcd after a dilation with a scale factor of 4,…
Plot the points \((0,-8)\), \((8,0)\), \((0,4)\), \((-8,0)\) and connect them to get the dilated kite.
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plot each point and form the triangle abc. verify that the triangle abc…
$[d(A,B)]^2 = 29$ $[d(A,C)]^2 = 58$ $[d(B,C)]^2 = 29$
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find the slope of the line shown.
\(-1\)
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jl and mo are parallel lines. which angles are corresponding angles? ∠l…
∠LKI and ∠ONK
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pr and su are parallel lines. which angles are corresponding angles? ∠r…
# Explicación: ## Paso 1: Definir ángulos correspondientes Los ángulos correspondientes son aquellos que se encuentran en la misma posición relativa con respecto a las líneas para…
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in the cube shown below, which planes intersect? select all that apply.…
IJM and HIJ, JKN and HKL, JKN and HIL
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in the triangular prism shown below, which lines are parallel? select a…
$\overrightarrow{PQ}$ and $\overrightarrow{MN}$
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look at this diagram: if (overleftrightarrow{bd}) and (overleftrightarr…
$69$
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the triangles are congruent by sss and hl. which transformation(s) can …
reflection, then translation
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unit 1 post test year long (total 61 pts) 1. (4 pts) the length of a re…
Length = 47 Width = 26
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2 what is the definition of congruence? a. if two figures have the same…
D. If there is a sequence of rotations, reflections, and translations that take one figure to the other, then they are congruent.
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find the area of the right triangle. area = square units
6
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4. a rectangular prism has a length of 7 cm, a width of 2 cm, and a hei…
$14\ cm^{2}$
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graph the following equation in a rectangular coordinate system. x = 7.…
A vertical line passing through the point $(7,0)$ on the $x$-axis where for all real - values of $y$, $x = 7$.
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what are the actual base and height of the trampoline? actual base = 10…
$60$ ft²
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an angle bisector is a ...? line from a vertex to the midpoint of the o…
Line divides an angle into two equal angles
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use the diagram to the left to answer questions 9 and 10. 9. if (mangle…
9. $m\angle ABF = 122^{\circ}$ 10. $m\angle ABD = 148^{\circ}$
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∠3 and ∠4 are supplementary ∠4 and ∠5 are supplementary ∠1 and ∠3 are s…
\(\angle3\) and \(\angle4\) are supplementary
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same - side interior alternate interior corresponding cannot be proved …
Cannot be proved parallel
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segment and angle proofs extra practice write the letter of the propert…
# Explicación: ## Paso 1: Completar la prueba del punto medio - **Enunciado 2**: Por el postulado de adición de segmentos, si $Q$ está entre $P$ y $R$, entonces $PQ + QR=PR$. - **…
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two nearby trees are perpendicular to the ground, which is flat. one of…
B. 4
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in triangle abc, the measure of angle b is 90° and \\(\\overline{bd}\\)…
D. \(\frac{38}{15}\)
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week 7 monday correct these sentences. 1. that john elway football belo…
1. That John Elway football belongs to my brother and me. 2. Michael and I ran in the Big Brothers Marathon. 3. They're going over there to find their lost ball. 4. along 5. tell …
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in the figure above, $overline{af}$, $overline{be}$, and $overline{cd}$…
B. 17.5
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14. the area of a square garden is shown. how long is each side of the …
11 ft
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in the figure above, lines $ell$ and $m$ are parallel, $y = 20$, and $z…
B. 100
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enter the value of x.
42
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enter the value of x + 14.
56
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let \\(\\theta\\) be the angle in standard position whose terminal side…
$\sin(\theta)=-\frac{\sqrt{5}}{5}$ $\cos(\theta)=\frac{2\sqrt{5}}{5}$
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enter the value of x.
\(20.4\)
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10. given that △mtw≅△cad, which segments are corresponding parts of the…
\(\overline{MW}\cong\overline{CD}\)
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9. in the figure, δbat ≅ δcat. which statement is not true by cpctc? ta…
$\angle BCA\cong\angle BCT$
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in the figure above, (overline{mq}) and (overline{nr}) intersect at poi…
20
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8. in the figure, △bat≅△cat. which statement is not true by cpctc? ta =…
C. $\angle CAB\cong\angle SAB$
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intersecting lines r, s, and t are shown below. what is the value of x?
\(83\)
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6. given that △mtw≅△cad, which segments are corresponding parts of the …
All of the above (i.e., $\overline{MT}\cong\overline{CA}$, $\overline{TW}\cong\overline{AD}$, $\overline{MW}\cong\overline{CD}$)