Question

The circumference of a circle is 8.8cm find its area

Answer 1

2 pie r = 8.8
2×22/7×r =8.8
r = 8.8 ×7/2×22
r =0.2×7=1.4 cm
area = pie ×r×r
22/7×1.4×1.4
22×0.2 ×1.4
6.16 cm^2
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Answer 2

2πr = 8.8

2*3.14*r = 8.8

r = 8.8/2*3.14 = 1.40

Area = πr^2 = 3.14*1.4*1.4 = 6.15cm^2