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The radii of two concentric circles are 9cm and 6cm respectively. Find the area of the space between the two circles.
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27 votes
27 votes
The radii of two concentric circles are 9cm and 6cm respectively. Find the area of the space between the two circles.

User Cmeid
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2 Answers

21 votes
21 votes
Area of a circle = pir^2

Big one= pi(9)^2=254.34
Small one= pi(6)^2=113.04

Now minus small one from big one

254.34-113.04=141.3 cm^2

So your answer is 141.3 cm^2
User Rus
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3.2k points
9 votes
9 votes

Answer:

3

Explanation:

User Tony Cheetham
by
3.0k points
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