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1. |
What is  if  and  |
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A. |
31 |
B. |
88 |
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C. |
78 |
D. |
68 |
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Hint |
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2. |
Find  |
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 |
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A. |
56 |
B. |
62 |
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C. |
68 |
D. |
50 |
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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. |
Which pair of triangles is congruent by the ASA 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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6. |
Which postulate can be used to prove the triangles congruent? |
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A. |
ASA Postulate |
B. |
SAS Postulate |
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C. |
not possible |
D. |
SSS Postulate |
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Hint |
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7. |
Is  an altitude of  Explain. |
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A. |
No; because is
outside  |
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B. |
Yes; because has one
endpoint at vertex and
is perpendicular to  |
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C. |
No; because is not a
median of |
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D. |
Yes; because is a
perpendicular bisector
of |
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Hint |
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8. |
The bases of a trapezoid have measures of 16 and 8. Find the measure of the median. |
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A. |
12 |
B. |
24 |
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C. |
8 |
D. |
128 |
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Hint |
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9. |
Food Some cafeteria trays are shaped like isosceles trapezoids so they will fit around the tables. If the measures of one pair of base angles of a tray are 120, what are the measures of the other pair of base angles? |
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A. |
90 |
B. |
60 |
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C. |
120 |
D. |
240 |
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Hint |
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10. |
Which figure is not a polygon? |
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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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11. |
The polygon shown is |
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A. |
regular |
B. |
concave |
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C. |
a hexagon |
D. |
an octagon |
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Hint |
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12. |
In which picture is  an angle bisector? |
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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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13. |
Name the property that justifies if a < b, then a + c < b + c. |
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A. |
Transitive Property |
B. |
Comparison Property |
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C. |
Subtraction Property |
D. |
Addition Property |
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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. |
No; 32 is less than 96 + 118. |
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B. |
No; 32 + 96 is less than 118. |
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C. |
Yes; 96 is between 32 and 118. |
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D. |
Yes; the sum of the measures of any two sides is greater than the other side measure. |
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Hint |
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15. |
Ed has a piece of rope with exactly 10 knots tied to make 9 equal lengths as shown. Using the rope, he wants to use the entire rope to make a triangle so that each vertex of the triangle occurs at a knot. How many different triangles can Ed make? |
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A. |
5 |
B. |
3 |
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C. |
4 |
D. |
2 |
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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 bisectors |
B. |
angle addition postulate |
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C. |
definition of perpendicular lines |
D. |
definition of a right angle |
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Hint |
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17. |
In parallelogram ABCD find AB. |
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A. |
44 in. |
B. |
13 in. |
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C. |
70 in. |
D. |
22 in. |
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Hint |
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18. |
In parallelogram ABCD find the value of x and y. |
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A. |
36°, 36° |
B. |
108°, 108° |
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C. |
72°, 72° |
D. |
108°, 72° |
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Hint |
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