Mathematics, 27.09.2019 07:30 aatharris21

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?
a. 4π cm2; 8π cm2; no
b. 4π cm2; 16π cm2; no
c. 4π cm2; 16π cm2; yes
d. 4π cm2; 8π cm2; yes

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