Calculate the area of a circle with a radius of 2 cm and a circle with a radius of 4 cm. leave your answers in terms of pi. when the radius doubles, does the area of the circle double?

A4π cm2; 8π cm2; no

B4π cm2; 16π cm2; no

C4π cm2; 16π cm2; yes

D4π cm2; 8π cm2; yes