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Vinvika [58]
3 years ago
12

Please help. I've been trying to figure this out for an hour and I still don't understand how it's 72. I feel really stupid beca

use it's probably easy to do.

Mathematics
1 answer:
rosijanka [135]3 years ago
3 0

Answer:

C. 72\pi

Step-by-step explanation:

The radius of the circle is 24 units, then the area of the whole circle is

\pi r^2=\pi \cdot 24^2=576\pi \ un^2.

The shaded circle is limited by 45° angle, so its area is

\dfrac{45}{360}=\dfrac{1}{8}

of the area of the whole circle.

The area of the shaded circle is

\dfrac{1}{8}\cdot 576\pi =72\pi \ un^2.

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