Area of a circle
7th grade (Year 8 in England) · 16 questions · Common Core: 7.G.B.4 · England: KS3 Geometry, GCSE Foundation Geometry
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Question 1
A circle has radius 11 cm. Find its area in cm², rounded to 1 decimal place. (Use the π key.)
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Question 2
A circle has diameter 12 cm. Its area is kπ cm². What is k?
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Question 3
What is the area of a quarter circle with radius 8 yd? Round to 1 decimal place.
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Question 4
A circle has radius 3 m. Find its area in m², rounded to 1 decimal place. (Use the π key.)
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Question 5
A circle has diameter 2 m. Its area is kπ m². What is k?
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Question 6
What is the area of a semicircle with radius 8 ft? Round to 1 decimal place.
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Question 7
A circle has radius 6 cm. Find its area in cm², rounded to 1 decimal place. (Use the π key.)
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Question 8
A circle has diameter 20 m. Its area is kπ m². What is k?
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Question 9
What is the area of a quarter circle with radius 10 cm? Round to 1 decimal place.
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Question 10
A circle has radius 2 m. Find its area in m², rounded to 1 decimal place. (Use the π key.)
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Question 11
A circle has diameter 8 ft. Its area is kπ ft². What is k?
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Question 12
What is the area of a quarter circle with radius 9 m? Round to 1 decimal place.
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Question 13
A circle has radius 12 m. Find its area in m², rounded to 1 decimal place. (Use the π key.)
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Question 14
A circle has diameter 20 cm. Its area is kπ cm². What is k?
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Question 15
What is the area of a semicircle with radius 9 ft? Round to 1 decimal place.
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Question 16
A circle has radius 12 cm. Find its area in cm², rounded to 1 decimal place. (Use the π key.)
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