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The area of a circle is 154cm, calculate it's radius? ​
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3 votes
The area of a circle is 154cm, calculate it's radius?
​

User Abacles
by
7.2k points

1 Answer

1 vote

Answer:

r = 7

Explanation:

area equals (pi)(r)^2

first divide 154 by pi

154/pi = 49

r^2 = 49

square root both sides

r = 7

User Hasanyasin
by
8.3k points
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