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Single Variable Calculus

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Moderate

Before You Integrate, Think Circle!

SVCALC-GBFYI3

Find the area bounded by the curves $y=0$ and $y=\sqrt { 9-{ x }^{ 2 } }.$

A

$9$

B

$3$

C

$9\pi $

D

$\dfrac { 9 }{ 2 } \pi$