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
What is the supplement of a 171° angle?
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Question 2
Two angles are supplementary. One is x° and the other is (3x + 32)°. Find x.
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Question 3
Isla says the complement of 25° is 155°. What mistake did Isla make, and what is the correct complement?
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Question 4
What is the supplement of a 86° angle?
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Question 5
Two angles are supplementary. One is x° and the other is (2x + 120)°. Find x.
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Question 6
Daniel says the complement of 21° is 159°. What mistake did Daniel make, and what is the correct complement?
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Question 7
What is the complement of a 20° angle?
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Question 8
Two angles are supplementary. One is x° and the other is (3x + 128)°. Find x.
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Question 9
Mateo says the complement of 75° is 105°. What mistake did Mateo make, and what is the correct complement?
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Question 10
What is the complement of a 11° angle?
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Question 11
Two angles are supplementary. One is x° and the other is (3x + 80)°. Find x.
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Question 12
Maya says the complement of 41° is 139°. What mistake did Maya make, and what is the correct complement?
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Question 13
What is the complement of a 53° angle?
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Question 14
Two angles are supplementary. One is x° and the other is (3x + 104)°. Find x.
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Question 15
Diego says the complement of 51° is 129°. What mistake did Diego make, and what is the correct complement?
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Question 16
What is the supplement of a 9° angle?
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