Question

Find the area of a circle whose radius is 3 1/2(three whole number one over two)

Answer 1

38.5 in²

Explanation:

Area of circle= πr², where r is the radius

Substitute the value of the radius into the formula above:

Area of circle

= π(3.5)²

= 12.25π

= 38.5 in² (3 s.f.)