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1. |
Triangle RST is isosceles with as the vertex angle. If ST = 3x - 11, SR = x + 3, and RT = x - 2, find RT. |
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A. |
9 |
B. |
14 |
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C. |
5 |
D. |
7 |
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Hint |
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2. |
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. |
6 |
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C. |
12 |
D. |
8 |
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Hint |
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3. |
Refer to the figure. Complete the congruence statement  |
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A. |
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B. |
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C. |
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D. |
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4. |
by the _______________. |
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A. |
ASA Postulate |
B. |
SAS Postulate |
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C. |
SSA Postulate |
D. |
SSS Postulate |
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Hint |
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5. |
Is an altitude of Explain. |
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A. |
Yes; because is a perpendicular bisector of  |
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B. |
No; because is outside  |
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C. |
Yes; because has one endpoint at vertex and is perpendicular to  |
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D. |
No; because is not a median of  |
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Hint |
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6. |
Which assumption would you make to start an indirect proof of the statement Bob took the dog for a walk |
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A. |
Bob does not have to take the dog for a walk. |
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B. |
Bob will take the dog for a walk. |
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C. |
Bob did not take the dog for a walk. |
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D. |
Bob may take the dog for a walk. |
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Hint |
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7. |
In the figure shown, is an exterior angle of Which statement is correct? |
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A. |
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B. |
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C. |
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D. |
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8. |
The _______________ states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side. |
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A. |
Definition of a Triangle |
B. |
Triangle Equality Theorem |
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C. |
Triangle Inequality Theorem |
D. |
Definition of an Inequality |
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Hint |
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9. |
Given trapezoid BCD with median , find the value of x. |
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A. |
6 |
B. |
10.5 |
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C. |
7.5 |
D. |
9 |
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Hint |
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10. |
The measures of a pair of base angles of an isosceles trapezoid are 7x - 12 and 5x + 6. Find the value of x. |
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A. |
6 |
B. |
12 |
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C. |
9 |
D. |
3 |
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11. |
Find the value of x. |
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A. |
35.25 |
B. |
46.5 |
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C. |
24 |
D. |
12.75 |
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Hint |
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12. |
Which figure is an obtuse triangle? |
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A. |
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B. |
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C. |
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D. |
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13. |
The segment that has one endpoint at one of the vertices of a triangle and its other endpoint on a line containing the opposite side of the triangle, and is perpendicular to the opposite side of the triangle, is called the __________. |
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A. |
altitude |
B. |
angle bisector |
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C. |
median |
D. |
perpendicular bisector |
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Hint |
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14. |
Is it possible to draw a triangle with sides measuring 32, 96, and 118? Explain. |
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A. |
Yes; 96 is between 32 and 118. |
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B. |
No; 32 + 96 is less than 118. |
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C. |
Yes; the sum of the measures of any two sides is greater than the other side measure. |
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D. |
No; 32 is less than 96 + 118. |
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Hint |
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15. |
Find the sum of the measures of the interior angles of a 28-gon. |
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A. |
180 |
B. |
5040 |
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C. |
4680 |
D. |
167 |
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Hint |
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16. |
If what reason would follow to prove  |
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A. |
CPCTC |
B. |
Vertical angles are congruent. |
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C. |
Base angles of an isosceles triangle are congruent. |
D. |
If a triangle is equilateral then it is equiangular. |
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Hint |
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17. |
Parallelogram RSTV is a rhombus with Find  |
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A. |
124° |
B. |
56° |
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C. |
68° |
D. |
112° |
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Hint |
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18. |
If parallelogram RSTV is a rhombus, what angles does bisect? |
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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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