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1. |
Triangle KMS is equilateral. Find KM if KM = x + 6, KS = 2x – 3, and MS = 4x – 21. |
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A. |
4 |
B. |
15 |
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C. |
21 |
D. |
9 |
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Hint |
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2. |
If is parallel to , what is  |
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A. |
109 |
B. |
71 |
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C. |
54 |
D. |
126 |
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Hint |
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3. |
What is the measure of  |
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A. |
31 |
B. |
120 |
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C. |
32 |
D. |
62 |
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Hint |
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4. |
Refer to the design shown. How many of the triangles in the design appear to be congruent to triangle A? |
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A. |
10 |
B. |
8 |
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C. |
12 |
D. |
6 |
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Hint |
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5. |
Congruence of triangles is reflexive, _____________, and transitive. |
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A. |
distributive |
B. |
commutative |
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C. |
symmetric |
D. |
associative |
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Hint |
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6. |
In the figure, intersects at H. Which additional fact is needed to prove by ASA? |
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A. |
 |
B. |
   |
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C. |
   |
D. |
   |
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Hint |
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7. |
In is 10 more than 3 times a number,
is 8 less than 5 times the same number. Find  |
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A. |
106 |
B. |
116 |
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C. |
37 |
D. |
48 |
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Hint |
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8. |
is isosceles. What is the x-coordinate of B? |
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A. |
0 |
B. |
 |
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C. |
a |
D. |
b |
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Hint |
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9. |
ABC is ______. |
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A. |
isosceles and scalene |
B. |
equilateral |
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C. |
scalene and acute |
D. |
scalene but not acute |
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Hint |
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10. |
Which pair of triangles is congruent by the SAS Postulate? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
Which pair of triangles shows FGH QRS by the AAS Theorem? |
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A. |
 |
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B. |
 |
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C. |
 |
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D. |
 |
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Hint |
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12. |
Refer to the figure. If and is perpendicular to both and , then FDA ________ by __________. |
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A. |
ACF by ASA |
B. |
CAD by SAS |
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C. |
ACF by SAS |
D. |
CAD by ASA |
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Hint |
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13. |
Triangle ABC has vertices A(2, 5), B(5, 2), and C(2, -1). Classify ABC. |
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A. |
equilateral |
B. |
acute |
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C. |
scalene |
D. |
isosceles |
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Hint |
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14. |
Which of the following is not often used in a coordinate proof? |
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A. |
Distance Formula |
B. |
Angle Sum Theorem |
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C. |
Midpoint Formula |
D. |
Quadratic Formula |
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Hint |
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