SOLUTION: If a circle has a radius of 10 cm, what is the area of a sector defined by a central angle of 72?

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Question 839684: If a circle has a radius of 10 cm, what is the area of a sector defined by a central angle of 72?
Answer by stanbon(75887) About Me  (Show Source):
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If a circle has a radius of 10 cm, what is the area of a sector defined by a central angle of 72?
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circle area = pi*10^2 = 100pi cm^2
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sector area = (72/360)100pi = (1/5)pi cm^2
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Cheers,
Stan H.
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