Question

The area of a circle is 1386m2. Find circumference.​

Answer 1

circle is circumference.

Answer 2

Answer:

area = 1386m^2

$\pi r^2 = 1386 m^2\\r^2 = 1386/\pi \\r^2 = 1386 * 7 /22\\r^2 = 63 * 7\\r = under root (441)\\r= 21$hope it helps

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