Question

what will be the area of a circle if its radius is 98 cm

Answer 1

r =98 cm
area of circle =pie×r^2
=22/7×98×98
=30184 cm^2

Answer 2

Area of a circle is = πr²
Here, r = 98cm
we use the formula,
πr²= 22/7*98*98 ( where, π = 22/7)
= 30184 cm² answer.
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Now you understand very well now..
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