ar2 r12SolutionSince we know that Area of a circle is given

a=r²

r=12

Solution

Since we know that,

Area of a circle is given as

a = r²

Given the value of r = 12,

Putting this value of r in the formula:

a = * 12²

a = 144

Putting the value of = 3.14

a = 144*3.14

a = 452.39

Hence Area of the circle is:

A = 452.39 (unit)²