Question

Find the circumference and area of a circle whose radius is 12.4 cm.Give your answer to the nearest centimeter (whole #). Circumference = cm Area = cm2

Answer 1

Answer:

$A=\pi r^2=\pi*12.4^2$ ≈ $483.05129$

$C=2\pi r=2*\pi *12.4$ ≈ $77.9115$