Use vertically opposite angles
7th grade (Year 8 in England) · 16 questions · Common Core: 7.G.B.5 · England: KS3 Geometry and measures, GCSE Foundation Geometry and measures
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Question 1
Two lines cross, making four angles. One angle is 104°. What is the sum of the other three angles?
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Question 2
Two straight lines cross. One of the angles is 40°. What is the angle next to it (on the same straight line)?
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Question 3
Two vertically opposite angles are (3x − 2)° and 46°. Find x.
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Question 4
Two lines cross, making four angles. One angle is 148°. What is the sum of the other three angles?
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Question 5
Two straight lines cross. One of the angles is 68°. What is the angle next to it (on the same straight line)?
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Question 6
Two vertically opposite angles are (5x + 6)° and 146°. Find x.
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Question 7
Two lines cross, making four angles. One angle is 60°. What is the sum of the other three angles?
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Question 8
Two straight lines cross. One of the angles is 57°. What is the angle next to it (on the same straight line)?
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Question 9
Two vertically opposite angles are (4x − 9)° and 31°. Find x.
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Question 10
Two lines cross, making four angles. One angle is 33°. What is the sum of the other three angles?
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Question 11
Two straight lines cross. One of the angles is 130°. What is the angle next to it (on the same straight line)?
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Question 12
Two vertically opposite angles are (3x + 9)° and 99°. Find x.
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Question 13
Two lines cross, making four angles. One angle is 141°. What is the sum of the other three angles?
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Question 14
Two straight lines cross. One of the angles is 25°. What is the angle vertically opposite it?
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Question 15
Two vertically opposite angles are (4x + 15)° and 131°. Find x.
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Question 16
Two lines cross, making four angles. One angle is 65°. What is the sum of the other three angles?
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