Question

Find the area of a circle whose diameter is 49cm

Answer 1

r=49/2
πr^2=22/7×49×49/2
=ans

Answer 2

Diameter = 49cm
Radius = 49/2 cm
Area of circle = πr²
= 22/7*49/2*49/2
= 343/2
= 171.5cm²
Therefore the area of circle is 171.5cm²

hope this helps you....:)