Problema Solution
What is the area of a circle whose diameter is 70cm
Answer provided by our tutors
diameter = 70 cm
so radius = 70/2 = 35 cm
area of circle = pi*r*r = 22/7 * 35 * 35 = 3850
if 3.14 is to be used then area = 3.14*35*35 = 3846.5
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