SOLUTION: How do I find the area of a shaded area if I have to use pi= 3.14 and the radius is 8cm and the angle is 72 degrees?

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Question 877849: How do I find the area of a shaded area if I have to use pi= 3.14 and the radius is 8cm and the angle is 72 degrees?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The total area is pi%2Ar%5E2
If the shaded area has a central angle of 72 degs, its area
= %2872%2F360%29%2Api%2Ar%5E2