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Kevin is working out the area of a circle with radius 4

He writes:
Area = π x 8
Explain why Kevin's working is wrong..

User ChizT
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1 Answer

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Answer: Shown below

Explanation:

The formula of the area of a circle: A = ℼ(r)^2

Therefore, Kevin should have written A = 16ℼ

User Jujka
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