Answer
A=16$\pi$ cm$^2$$\approx$50 cm$^2$
C=8$\pi$ cm$\approx$25 cm
Work Step by Step
A=$\pi$r$^2$
A=$\pi$(4)$^2$
A=$\pi$16
A=16$\pi$ cm$^2$$\approx$50 cm$^2$
C=2$\pi$r
C=2$\pi$(4)
C=8$\pi$ cm$\approx$25 cm
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