Question

Calculate the area of a circle with radius of 4cm

Answer 1

A=πr²
A=22/7×4×4 or 3.14×4×4
A=22/7×16 or 3.14×16
A=352/7 or 50.24
A=50.28 or 50.24
A= 50.28cm² or 50.24cm²
both answers and methods are correct you just have to decide which one is easier for you
thanks hope i helped