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1. |
Refer to the figure shown. Name the vertices of the equilateral triangle. |
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A. |
W, X, Y |
B. |
U, Z, W |
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C. |
X, Y, Z |
D. |
U, V, Z |
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Hint |
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2. |
Which triangle is isosceles? |
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A. |
with vertices M(4,5), N(4,2), and P(-5,2) |
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B. |
with vertices A(3,0), B(0,6), and C(3,6) |
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C. |
with vertices F(-1,-5), G(-3,4), and H(5,2) |
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D. |
with vertices R(3,5), S(1,-8),and T(-1,7) |
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Hint |
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3. |
Name the remote interior angles of  |
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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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4. |
Find the value of x. |
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A. |
125 |
B. |
45 |
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C. |
135 |
D. |
145 |
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Hint |
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5. |
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. |
8 |
B. |
12 |
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C. |
10 |
D. |
6 |
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Hint |
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6. |
Congruence of triangles is reflexive, _____________, and transitive. |
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A. |
associative |
B. |
commutative |
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C. |
distributive |
D. |
symmetric |
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Hint |
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7. |
by the _______________. |
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A. |
SAS Postulate |
B. |
SSS Postulate |
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C. |
ASA Postulate |
D. |
SSA Postulate |
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Hint |
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8. |
Refer to the figure. If and  then _____ by _____. |
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A. |
by ASA |
B. |
by ASA |
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C. |
by ASA |
D. |
by ASA |
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Hint |
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9. |
What is the measure of each angle of an equilateral triangle? |
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A. |
90° |
B. |
30° |
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C. |
60° |
D. |
45° |
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Hint |
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10. |
is equilateral. What are the coordinates of A? |
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A. |
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B. |
(-2b, 0) |
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C. |
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D. |
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Hint |
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11. |
Which postulate can be used to prove the triangles congruent? |
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A. |
SAS Postulate |
B. |
ASA Postulate |
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C. |
AAA Postulate |
D. |
SSS Postulate |
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Hint |
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12. |
Since AAS is a theorem and SSS, SAS, and ASA are all postulates, ___________________. |
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A. |
AAS can be proven, but SSS, SAS, and ASA are just accepted as facts. |
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B. |
AAS is a less reliable way to see if two triangles are congruent. |
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C. |
AAS is technically the only way to prove two triangles to be congruent. |
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D. |
AAS cannot be proven. |
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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. |
isosceles |
B. |
acute |
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C. |
scalene |
D. |
equilateral |
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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. |
Quadratic Formula |
D. |
Midpoint Formula |
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Hint |
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