Question

The area of a circle is 616cm^2. Find its circumference​

Answer 1

$\huge\underline\bold\color{red}\mathfrak{Answer}$

Area = πr² = 616

r² = 616/π

r² = 196

r = 14 cm

Circumference = 2πr = 2×22/7 × 14 = 88 cm

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