Find the exact circumference (in inches) and area (in square inches) of a circle whose diameter has length 14 in.

Question

Find the exact circumference (in inches) and area (in square inches) of a circle whose diameter has length 14 in.

Answer 1

Perimeter of Circ.=2pi x r=2pi(14)=28pi or 88in.

Area of Circ.=pi x r^2=>pi(14)^2->196pi or 615.8sq in.

the final answers are founded to the nearest tenth.

Answer 2

C = πd

A = πr²