The area of a circle is 28.26 square miles. What is the circle's diameter?
1 answer:
The diameter is 6. Explanation:
radius: 3.14r^2
28.26=3.14r^2
28.26/3.14=r^2
r^2=9
r=3
and we know that diameter is two times the radius so:
3*2=6
diameter equals 6.
if you want to check it plug back in:
3^2 * 3.14 = 28.26
hope this helped :)
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