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9 votes
If the area of a circle is 40 pi square cm, find the radius.

User Wazoox
by
8.7k points

2 Answers

0 votes

Answer:

√40 centimeters

Explanation:

Given :

Area of circle = 40π cm²

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Formula for area of a circle :

Area = πr²

===============================================================

Equating the given term and formula to find r :

⇒ 40π = πr²

⇒ r² = 40

⇒ r = √40 centimeters

User HetOrakel
by
8.3k points
5 votes

area equation is pi*r^2. divide by pi then square root. so the answer is the square root of 40

User MOHAMED
by
8.8k points

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