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What is the exact area of a circle whose diameter is 14 cm? A. 14 straight pi cm2 B. 28 straight pi cm2 C. 49 straight pi cm2 D. 196 straight pi cm2
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1 vote
What is the exact area of a circle whose diameter is 14 cm?

A.
14 straight pi cm2

B.
28 straight pi cm2

C.
49 straight pi cm2

D.
196 straight pi cm2

User Akki
by
7.4k points

1 Answer

2 votes
Ok so the formula for the area of a circle is pi r2 so first the radius half of 14 is 7 so 7 squared would be 49 so it would be C. and if you wanted to get the estimation you would just multiply pi to 49 I hope this helps :) 
User Rahulritesh
by
8.1k points
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