Question

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Answer 1

Answer:

Step-by-step explanation:

First let's find the circle without the gray area. We would have:

$\pi r^2=\pi 36^2=\pi1296$

Next let's find the area of the circle with the gray area. We would have:

$\pi r^2=\pi50^2=\pi2500$

Now we subtract and get:

$(2500-1296)\pi=\boxed{1204\pi}$

HOPE THIS HELPS