几何
三角形、圆、解析几何与证明题。
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and sides marked in each sketch, first list the parts of the congruent …
Congruent angles: $\angle E\cong\angle Y$, $\angle F\cong\angle Z$, $\angle G\cong\angle W$, $\angle H\cong\angle X$; Congruent sides: $EF\cong YZ$, $EH\cong YX$, $HG\cong XW$, $G…
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(24x - 2)° y (25x - 8)°
$x = 6$, $y=38^{\circ}$
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9. use figure a and point p to answer the following questions. a. descr…
a. Rotate 180 - degree about the center of figure A, then rotate another 180 - degree about the same center. b. Rotate 360 - degree about the center of figure A.
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given the figure below, find the values of x and z.
\(x=-12\), \(z = 129^{\circ}\)
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modeled instruction a possessive noun shows that a person or group of p…
1. woman's 2. the problems of many farmers 3. many farmers' problems
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given the figures with congruent angles and sides marked in each sketch…
Congruences: $\angle C\cong\angle R$, the side adjacent to $\angle C$ in $\triangle ABC$ is congruent to the side adjacent to $\angle R$ in $\triangle RST$, the other marked sides…
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consider parallelogram wxyz. note that wxyz has vertices w (-1,-1), x (…
Part 1: $\frac{3}{2}$ Part 2: $-\frac{2}{3}$
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example 3 solve for a variable geometry the formula for the perimeter o…
# Explicación: ## Paso1: Restar 2a de ambos lados $P - 2a=2a + 2b-2a$ ## Paso2: Simplificar $P - 2a = 2b$ ## Paso3: Dividir ambos lados por 2 $\frac{P - 2a}{2}=\frac{2b}{2}$ ## Pa…
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4 triangle jkl is similar to triangle gkh.
Since \(\triangle{JKL}\sim\triangle{GKH}\), the ratios of corresponding - sides are equal. The ratio of the sides of the similar triangles is \(\frac{GK}{JK}=\frac{6}{6 + 4}=\frac…
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a possessive noun shows that a person or group of people owns something…
1. woman’s 2. the problems of many farmers 3. farmers’ problems
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triangle rst is similar to triangle rvw. what is the value of d in mill…
12
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in the figure below, k || l. find the values of x and y.
$x = 102$ $y = 33$
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given the figure below, find the values of x and z. (7x + 15)° 74° z°
\(x = 13\), \(z = 106\)
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5. how many 1 - yard - square floor tiles would it take to cover the ar…
65
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revise each sentence pair. circle the time - order word that makes the …
1. Then 2. First 3. Finally
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19. matt has a block. he uses one of the flat surfaces of the block to …
Triangular prism
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use the image to answer the question. are the triangles congruent? if s…
Yes, $\triangle ABC\cong\triangle LMN$ by the SSS Congruence Theorem
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read the following text from a short story. this excerpt is about ichab…
Crane was not a good - looking man.
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the sss congruence theorem quick check. use the image to answer the que…
C. $\overline{KL}\cong\overline{MN}$
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which of the following pairs of triangles are congruent by the sss cong…
The pair of triangles where all three - sides are marked as congruent (the third pair from the top) are congruent by the SSS (Side - Side - Side) Congruence Theorem.
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the diameter of mars is ____ kilometers. this is a reasonable solution …
A. $100 = 28 + 2x$ 36 field goals
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use the image to answer the question. beila wants to use rigid transfor…
Translate $\triangle GHI$ along a vector that takes point $I$ to point $L$
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given the figure below, find the values of x and z.
\(x = 6\), \(z = 87\)
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the sss congruence theorem practice complete this assessment to review …
Triangle #1 and Triangle #3 are congruent.
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the sss congruence theorem practice complete this assessment to review …
Triangle #1 and Triangle #3
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which equation is correct regarding the diagram of circle o? o m∠xzy = …
$m\angle XZY=\frac{1}{2}(a - b)$ (the second option)
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in the diagram of circle o, what is the measure of ∠abc? 30° 40° 50° 60°
$30^{\circ}$
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use the diagram at the right. solve for x. find the angle measures to c…
The value of $x$ is 8. The answer for the multiple - choice question is $\angle COD$.
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circle x is shown in the diagram. which equation can be used to solve f…
$m\angle1=\frac{1}{2}(a + b)$ (the second option)
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in the diagram of circle o, what is the measure of ∠abc? 27° 54° 108° 1…
$54^{\circ}$ (corresponding to the second option in the multiple - choice list)
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in circle o, what is mae? 84° 96° 120° 168°
$120^{\circ}$
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figure 1 and figure 2 below are congruent. which angle corresponds to a…
Angle \(C\)
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in the diagram of circle c, what is the measure of ∠1? 17° 35° 70° 71°
$35^{\circ}$
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figure 1 and figure 2 below are congruent. which angle corresponds to a…
Angle \(C\)
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in the diagram of circle p, m∠xyz is 72°. what is the value of x? 108° …
\(108^{\circ}\)
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figure 1 and figure 2 below are congruent. which side corresponds to si…
$\overline{RQ}$
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6. for the picture at the right, the m<abc = 80°. find x, m<abd, and m<…
\(x = 22\), \(m\angle ABD=16^{\circ}\), \(m\angle DBC=64^{\circ}\)
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figure 1 and figure 2 below are congruent. which side corresponds to si…
$\overline{SU}$
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in circle y, what is m∠1? 6° 25° 31° 37°
C. \(31^{\circ}\)
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figure 1 and figure 2 below are congruent. which side corresponds to si…
$\overline{KL}$
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which equation is correct regarding the measure of ∠mnp? ○ (mangle mnp=…
$m\angle MNP=\frac{1}{2}(z - y)$
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figure 1 and figure 2 below are congruent. which angle corresponds to a…
Angle $W$
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5. solve for x. find the measures of the angles. (3x + 16)° (5x - 54)°
\(x = 35\), and the measure of each angle is \(121^{\circ}\)
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figure 1 and figure 2 below are congruent. which side corresponds to si…
$\overline{ED}$
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which equation is correct regarding the measure of ∠1? ○ (mangle1=\frac…
\(m\angle1=\frac{1}{2}(b - d)\) (the third option)
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figure 1 and figure 2 below are congruent. which side corresponds to si…
\(\overline{WX}\)
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in the figure below, (lparallel m). find (x).
$x = 29$
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in the figure below, ( lparallel m ). find ( x ).
$29$
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7. esperalda 6. △spm≅△sqm 6. sss congruence theorem any point on a bise…
B. Jamie made his first mistake in Step 5. He used the statement he was trying to prove as a reason.
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16. the opposite sides of a kite are never parallel. 17. a rectangle is…
16. True 17. False
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martha believes her printer is out to get her. most days it behaves wel…
Question 1: 2 Question 2: 9 Question 3: 8
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14. find m∠gfj if m∠efg = 110. 46. skew lines ? intersect. 48. parallel…
$m\angle GFJ=70$
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select the correct answer. which trigonometric ratio will not have the …
Since in right - triangle \(ABC\) with \(\angle B = 90^{\circ}\) and \(\angle C=45^{\circ}\), then \(\angle A = 45^{\circ}\). \(\sin A=\frac{BC}{AC}\), \(\cos A=\frac{AB}{AC}\), \…
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13. find m∠cbd if m∠abc = 45 and m∠abd = 79.
$34^{\circ}$
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for exercises 8 - 10, draw a diagram, find the appropriate b - 8. if 40…
780 lines are needed for the first model. A more practical model is a central - switching model with 40 lines. ### 9.
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3. how many diagonals can you draw from one vertex in a polygon with 35…
3. 32 4. 560
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3 select the correct answer from each drop - down menu. a ramp is 17 fe…
The ratio of AC to BC is equal to tan B. So the answer is: the length of AC; the length of BC
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1 select the correct answer from each drop - down menu. the product of …
$\cos60^{\circ}$, $\cos30^{\circ}$
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what is the slope of the line on the graph? enter your answer in the bo…
$-\frac{3}{8}$
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which shows the image of quadrilateral abcd after the transformation r₀…
# Explanation: ## Step1: Recall rotation rule The transformation $R_{0,90^{\circ}}$ is a 90 - degree counter - clockwise rotation about the origin. The rule for a 90 - degree coun…
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36. a(n) ? polygon is both equiangular and equilateral. 37. if angles a…
36. regular 37. 90 degrees 38. perpendicular
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20. the perimeter of a rectangle is 50 feet. the length of one side is …
12 feet
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19. one side of a rectangle is 3.1 centimeters long. another side is 2.…
$10.6$ cm
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26. sketch the three - dimensional figure formed by folding the net bel…
29. collinear 30. isosceles 31. protractor 32. radius 33. diagonal 34. dodecagon 35. parallel
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triangle xyz is rotated to create the image triangle xyz. which rules c…
$R_{0,180^{\circ}}$, $(x,y)\to(-x,-y)$
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which shows the image of δrst after the rotation (x, y) → (y, -x)?
# Explanation: ## Step1: Identify vertices of ΔRST Let the coordinates of R, S, T be $(x_1,y_1)$, $(x_2,y_2)$, $(x_3,y_3)$ respectively from the graph. ## Step2: Apply rotation ru…
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a triangle is rotated 90° about the origin. which rule describes the tr…
$(x,y)\to(-y,x)$ (the second option)
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triangle abc was transformed using the rule (x,y)→( - y,x). the vertice…
The transformation was a 90° rotation about the origin.
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one vertex of a polygon is located at (3, -2). after a rotation, the ve…
\(R_{0,90^{\circ}},R_{0,-270^{\circ}}\)
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a triangle has vertices at l(2, 2), m(4, 4), and n(1, 6). the triangle …
The rule for the transformation is $(x,y)\to(-x,-y)$. The coordinates of L' are $(-2,-2)$. The coordinates of N' are $(-1,-6)$.
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the image shows a reconstruction of a pyramid with a square base. what …
The problem is in the Mathematics - Geometry subfield. The volume of a square - based pyramid is given by \(V=\frac{1}{3}Bh\), where \(B\) is the area of the base and \(h\) is the…
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a pentagon is transformed according to the rule $r_{0,180^{circ}}$. whi…
$(x,y)\to(-x,-y)$
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parallelogram abcd is rotated to create image abcd. which rule describe…
\((x,y)\to(-x,-y)\)
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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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3 select the correct answer from each drop - down menu. a conical conta…
(The height of the container is) 10 (If its diameter and height were both doubled, the container's capacity would be) 8
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trapezoid ghjk was rotated 180° about the origin to determine the locat…
A. $(2,3)$
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after a rotation of 90° about the origin, the coordinates of the vertic…
A. (3,-6) B. (1,2) C. (7,-1)
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find the distance between the points (-9, -3) and (2, 1). write your an…
$\sqrt{137}$
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identifying points on a pre - image a rectangle was rotated 270° about …
M(-3,2)
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find the distance between the points (-5, -3) and (-10, -4). write your…
$\sqrt{26}$
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micaela tried to rotate the square 180° about the origin. is her rotati…
No, the vertices of the image and pre - image do not correspond.
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rotating a negative number of degrees which shows the image of triangle…
(No answer options are given with text descriptions, so unable to provide a specific choice. But the general way to solve is as above. If there were options like "Option A: Graph …
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after a rotation, a(-3, 4) maps to a(4, 3), b(4, -5) maps to b(-5, -4),…
$R_{0,270^{\circ}}$
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7.1.01 a name 1. andres grandma ordered school pictures. she thought sh…
1. Image A is stretched vertically, Image B is shrunk, Image C is tilted, Image D is distorted. 2. Figure 3 is a scaled copy. 3. Figure 3 has side - lengths twice as long as the o…
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describing properties of rotations describe the general properties of r…
Rotations are rigid transformations that preserve distance and angle measures. Line - segments connecting corresponding points to the center of rotation have equal lengths, the an…
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directions: find each angle measure. $m\\angle1 =$ $m\\angle2 =$ $m\\an…
Without more specific information about parallel lines and transversals and exact angle - to - angle relationships, we can't give the measure of each of the 34 angles. But the gen…
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abcdefghij is a regular decagon. it rotates clockwise about its center …
$252^{\circ}$: $H$; $108^{\circ}$: $D$; $180^{\circ}$: $F$; $288^{\circ}$: $I$; $324^{\circ}$: $J$ (no match for $135^{\circ}$)
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a regular pentagon shares a common center with a regular hexagon. if $o…
C. 1
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solve the inequality and graph the solution on the line provided. -18 +…
Inequality Notation: $x>8$ Number Line: An open - circle at 8 and a line extending to the right of 8.
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select the correct answer. an irregular parallelogram rotates 360° abou…
A. 2
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question solve the inequality and graph the solution on the line provid…
Inequality Notation: $x<3$ Number Line: On the number - line, draw an open circle at 3 (since $x$ is less than 3, not less than or equal to 3) and shade the line to the left of 3.
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abcdefgh is a regular octagon. the minimum degree of rotation by which …
The minimum degree of rotation by which a regular octagon can map onto itself is 45°. To get from \(A\) to \(C\) in clock - wise direction, since there are 2 intervals between \(A…
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question solve the inequality and graph the solution on the line provid…
> $x>-8$ On the number - line, there is an open circle at - 8 and the line is shaded to the right of - 8.
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the total area of the figure to the right is 434 cm². use this fact to …
$x = 8$
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determine the slope of a line parallel to the segment shown. (1,1) (3,5…
C. \(2\)
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determine the slope of a line parallel to the segment shown. (3, 5) (1,…
$\frac{2}{1}$
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solve the inequality and graph the solution on the line provided. 5x - …
<, $x<5$ On the number - line, there is an open circle at 5 and the line extends to the left.
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directions: graph and label each figure and its image under the given r…
1. $B'(6,7)$, $C'(2,6)$, $D'(3,2)$, $E'(7,3)$ 2. $F'(8,1)$, $G'(7,5)$, $H'(3,2)$ 3. $J'(-4,-1)$, $K'(-2,-5)$, $L'(2,-5)$, $M'(3,-1)$ 4. $W'(1,-5)$, $X'(6,-3)$, $Y'(1,-1)$, $Z'(-4,…
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question solve the inequality and graph the solution on the line provid…
Inequality Notation: $x\leq - 1$ Number Line: Plot a closed - circle at - 1 and shade to the left.
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the figure below is translated right 5 units. what are the coordinates …
$(6,-5)$