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Math·Geometry and Trigonometry·Circles

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Circle $N$ has a radius of $6$ millimeters (mm). Circle $M$ has an area of $121\pi {\text{ mm}}^2$. What is the total area, in ${\text{mm}}^2$, of circles $N$ and $M$?

A

$17\pi$

B

$133\pi$

C

$145\pi$

D

$157\pi$