Question

what is the area of circle if radius is 2 centimetre

Answer 1

area of the circle is πr^2
so π is 22/7
and 2cm is 0.02m
area of circle is 22/350
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Answer 2

Area of circle = [22/7 × 2 ×2] cm²
= 88/ 7 cm²
= 12.57 cm² (appx.)