Angle Relationships Quiz

Grade 7 · Math · Quiz

Ten questions on complementary, supplementary, vertical, and adjacent angle pairs.

Questions

1. An angle measures 47°. What is its complementary angle?

   1. 133°
   2. 43°
   3. 53°
   4. 143°
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   Answer: 43°

2. Supplementary angles always form a straight line when placed adjacent to each other.

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   Answer: True

3. Two lines intersect and form angles of 75° and x°. If the angles are vertical, what is x?

   1. 15°
   2. 105°
   3. 75°
   4. 180°
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   Answer: 75°

4. An angle and its supplement add up to ___°.

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   Answer: 180

5. An angle measures 128°. What is its supplement?

   1. 38°
   2. 52°
   3. 62°
   4. 232°
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   Answer: 52°

6. Two angles can be both complementary and supplementary at the same time.

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   Answer: False

7. An angle and its complement add up to ___°.

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   Answer: 90

8. Angle A and Angle B are supplementary. Angle A = (3x + 10)° and Angle B = (x + 20)°. What is x?

   1. 25
   2. 37.5
   3. 30
   4. 50
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   Answer: 30

9. If two angles are vertical angles, they are also supplementary.

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   Answer: False

10. An angle measures 18°. What is its complement?

    1. 162°
    2. 72°
    3. 82°
    4. 62°
    Show answer

    Answer: 72°

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