SOLUTION: I need help figuring this out.
The area of a circle 28 square meters. What is its cicumference? (Use A=nr^2 and C=2nr to figure out the problem)
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Question 209013: I need help figuring this out.
The area of a circle 28 square meters. What is its cicumference? (Use A=nr^2 and C=2nr to figure out the problem)
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
A=Pir^2
28=3.14(r)^2
(r)^2=28/3.14
r^2=8.9
sq rt of r=2.97
-----------------
C=2Pir
C=2(3.14)(2.97)
C=18.75
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