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What is the area of a circle whose circumference is 8?
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What is the area of a circle whose circumference is 8?

User Alvin Rusli
by
7.8k points

2 Answers

2 votes
Circumference of a circle= 2πr
Area of a circle=πr^2
2πr=8
r= 8/2π
A= π*8/2π
User Art Taylor
by
8.0k points
5 votes

Answer: A = 5.09

Explanation:

A=πr2

C=2πr

Solving for A

A=C2

4π=82

4·π≈5.09296

User Frank Szczerba
by
8.1k points
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