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1. |
What is  if  and  |
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A. |
78 |
B. |
88 |
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C. |
68 |
D. |
31 |
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Hint |
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2. |
Find  |
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 |
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A. |
56 |
B. |
50 |
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C. |
68 |
D. |
62 |
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Hint |
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3. |
Most residential roofs are made of roof trusses. A diagram of a roof truss is shown. Notice that it is triangular in shape. Name the corresponding sides. |
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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. |
Refer to the figure. Complete the congruence statement  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
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. |
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D. |
  |
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Hint |
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6. |
In   is the _____. |
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A. |
altitude |
B. |
perpendicular bisector |
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C. |
median |
D. |
all of these |
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Hint |
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7. |
Is  an altitude of  Explain. |
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A. |
No; because is not a
median of  |
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B. |
Yes; because is a
perpendicular bisector
of |
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C. |
Yes; because has one
endpoint at vertex and
is perpendicular to  |
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D. |
No; because is
outside |
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Hint |
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8. |
Which problem-solving strategy is used in indirect proofs? |
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A. |
decision-making |
B. |
working backward |
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C. |
draw a diagram |
D. |
guess and check |
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Hint |
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9. |
If the measures of two sides of a triangle are 3 and 1, between what two numbers must the measure of the third side fall? |
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A. |
2 and 5 |
B. |
1 and 3 |
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C. |
2 and 4 |
D. |
1 and 7 |
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Hint |
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10. |
In parallelogram FGHI,  _________. |
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 |
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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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11. |
Which figure is not a polygon? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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12. |
Find the value of x. |
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A. |
46.5 |
B. |
24 |
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C. |
35.25 |
D. |
12.75 |
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Hint |
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13. |
Which pair of triangles is congruent by the SAS Postulate? |
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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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14. |
If 15 and 20 are the lengths of two sides of a triangle, between what two numbers must the measure of the third side fall? |
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A. |
10 and 25 |
B. |
15 and 20 |
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C. |
10 and 35 |
D. |
5 and 35 |
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Hint |
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15. |
 is perpendicular to which segment? |
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A. |
 |
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B. |
is not necessarily perpendicular to any segment. |
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C. |
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D. |
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Hint |
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16. |
Complete the section of the indirect proof.
m W is a right angle. Therefore, mW = 90° by _______________. |
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A. |
definition of perpendicular lines |
B. |
definition of a right angle |
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C. |
angle addition postulate |
D. |
definition of perpendicular bisectors |
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Hint |
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17. |
Two bases of a trapezoid are (6x + 7) cm and (14x – 3) cm. If the median is 52 cm, what is the value of x? |
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A. |
5 |
B. |
52 |
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C. |
20 |
D. |
104 |
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Hint |
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18. |
What is the value of y? |
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A. |
32 cm |
B. |
24 cm |
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C. |
40 cm |
D. |
16 cm |
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Hint |
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