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1. |
Which letter has rotational symmetry? |
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A. |
O |
B. |
E |
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C. |
C |
D. |
M |
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Hint |
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2. |
Suppose m 1 = 130°. Find m5. |
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A. |
130° |
B. |
120° |
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C. |
45° |
D. |
150° |
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Hint |
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3. |
Find the value of x if  |
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A. |
50 |
B. |
40 |
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C. |
30 |
D. |
20 |
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Hint |
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4. |
Find the value of x in  if  °
and  °, and  is a right angle. |
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A. |
5 |
B. |
10 |
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C. |
15 |
D. |
20 |
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Hint |
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5. |
 ABC and DEF are congruent. Find the value of x. |
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A. |
7 |
B. |
5 |
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C. |
4 |
D. |
10 |
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Hint |
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6. |
The vertices of  are A(2, -1), B(0, -3), and C(4, -2). Find the vertices of the triangle after a translation 2 units right and 3 units down. |
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A. |
A'(4, -4), B'(2, -6), C'(6, -5) |
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B. |
A'(4, 2), B'(2, 0), C'(6, 1) |
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C. |
A'(-1, 1), B'(-3, -1), C'(1, 0) |
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D. |
A'(0, 2), B'(-2, 0), C'(2, 1) |
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Hint |
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7. |
Reflect the point (6, -5) over the y-axis. |
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A. |
(-6, -5) |
B. |
(5, -6) |
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C. |
(6, 5) |
D. |
(6, -5) |
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Hint |
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8. |
Graph A(-2, 5) and B(-3, 6). Then reflect A and B over the y-axis and graph A' and B'. |
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A. |
 |
B. |
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C. |
 |
D. |
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Hint |
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9. |
Find the value of x in RST if m R = 3x°, mS = 3x°, and mT = 90°. |
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A. |
x = 10 |
B. |
x = 15 |
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C. |
x = 45 |
D. |
x = 20 |
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Hint |
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10. |
Find the value of x in the parallelogram shown. |
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A. |
x = 130 |
B. |
x = 120 |
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C. |
x = 100 |
D. |
x = 140 |
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Hint |
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11. |
Which statement about trapezoids is not true? |
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A. |
A trapezoid can have all congruent sides. |
B. |
A trapezoid can have two right angles. |
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C. |
A trapezoid has a pair of opposite sides that are parallel. |
D. |
A trapezoid can be isosceles. |
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Hint |
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12. |
Which letter does not have rotational symmetry? |
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A. |
Z |
B. |
Q |
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C. |
N |
D. |
X |
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Hint |
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13. |
Q and R are corresponding angles of congruent triangles. Find x if mQ = 120° and mR = (3x – 30) °. |
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A. |
x = 50 |
B. |
x = 30 |
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C. |
x = 60 |
D. |
x = 40 |
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Hint |
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14. |
What is the perimeter of a 30°, 60°, 90° triangle with a hypotenuse of 20 cm? |
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A. |
47.3 cm |
B. |
52.1 cm |
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C. |
94.6 cm |
D. |
38.9 cm |
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Hint |
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15. |
Find the length of the side opposite the 30° angle in a 30°, 60°, 90° triangle if the hypotenuse is 13 inches long. |
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A. |
3 in. |
B. |
6 in. |
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C. |
26 in. |
D. |
11 in. |
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Hint |
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16. |
The point P (-5, -10) is rotated 180° about the origin. What are the coordinates of P'? |
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A. |
(10, 5) |
B. |
(-10, -5) |
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C. |
(5, 10) |
D. |
(5, -10) |
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Hint |
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17. |
Point A(-6, 3) is rotated 180° about the origin. Give the ordered pair for A'. |
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A. |
(-3, -6) |
B. |
(6, -3) |
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C. |
(6, 3) |
D. |
(-6, -3) |
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Hint |
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18. |
Which figure shows the image of polygon ABCDE after a translation 3 units right and 3 units up? |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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