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OpenStudy (anonymous):
A round cookie cake, divided into 8 equal pieces, has a diameter of 16 inches. Marty eats one piece of cake. What is the area of the piece of cake that Marty eats? Leave your answer in terms of pi. A)4π in2 B) 8π in2 C)16π in2 D) 64π in2
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OpenStudy (anonymous):
OpenStudy (anonymous):
Area = pi*r^2 = 256pi 1/8th of it = 256pi/8 = 32pi
OpenStudy (anonymous):
answer choice ?
OpenStudy (anonymous):
Answer choices are wrong.
OpenStudy (anonymous):
Sorry. Diameter is 16. So radius is 8. So, then the piece eaten becomes 8pi.
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OpenStudy (anonymous):
B
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