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Dmitry_Shevchenko [17]
2 years ago
7

PLEASE HELP ASAP!! Don't just state the answer, I'd like to actually learn something. Thanks :)

Mathematics
1 answer:
Xelga [282]2 years ago
8 0
The area of a circle = PI * radius^2
area = 3.14159 * 16
area = <span> <span> <span> 50.265
</span></span></span><span>area = <span> PI * 16</span></span>

<span>We have to determine the area of the shaded section, which is (3 / 4) of the circle.  The unshaded section is occupied by a 90 degree angle which is (1 / 4) of a circle (All circles contain 360 degrees).
So the shaded section =
</span>50.265 * (3 / 4) = <span>37.699</span>
OR
16 * PI * (3 / 4) = 12 * PI


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