Find complementary and supplementary angles
7th grade (Year 8 in England) · 16 questions · Common Core: 7.G.B.5 · England: KS3 Geometry and measures
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Question 1
Two angles are supplementary. One is x° and the other is (2x + 138)°. Find x.
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Question 2
What is the complement of a 17° angle?
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Question 3
Liam says the complement of 58° is 122°. What mistake did Liam make, and what is the correct complement?
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Question 4
Two angles are supplementary. One is x° and the other is (3x + 120)°. Find x.
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Question 5
What is the complement of a 19° angle?
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Question 6
Noah says the complement of 58° is 122°. What mistake did Noah make, and what is the correct complement?
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Question 7
Two angles are supplementary. One is x° and the other is (2x + 63)°. Find x.
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Question 8
What is the complement of a 75° angle?
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Question 9
Diego says the complement of 47° is 133°. What mistake did Diego make, and what is the correct complement?
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Question 10
Two angles are complementary. One is x° and the other is (2x + 39)°. Find x.
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Question 11
What is the supplement of a 142° angle?
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Question 12
Chloe says the complement of 52° is 128°. What mistake did Chloe make, and what is the correct complement?
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Question 13
Two angles are supplementary. One is x° and the other is (2x + 66)°. Find x.
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Question 14
What is the supplement of a 45° angle?
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Question 15
Sam says the complement of 18° is 162°. What mistake did Sam make, and what is the correct complement?
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Question 16
Two angles are complementary. One is x° and the other is (2x + 36)°. Find x.
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