- Choice E$$Circumference = π × diameter = 2 × π × radius.$$ $$2\pi r=12 \pi $$ $$\Rightarrow r=6 $$ $$Area=\pi r^{2}=\pi 6^{2}=36\pi $$
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- Choice E$$Circumference = π × diameter = 2 × π × radius.$$ $$2\pi r=12 \pi $$ $$\Rightarrow r=6 $$ $$Area=\pi r^{2}=\pi 6^{2}=36\pi $$
## Skills you are tested for:

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