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Mathematics 11 Online
OpenStudy (anonymous):

What is the area of a circle with diameter 8 ft? (A = πr2) A. 25.12 ft2 B. 50.24 ft2 C. 200.96 ft2 D. 610.01 ft2

OpenStudy (anonymous):

d = 8 r = 4

OpenStudy (anonymous):

pi (4^2) = about 50.24

OpenStudy (anonymous):

What is the radius?

OpenStudy (anonymous):

The radius is half of the diameter.

OpenStudy (anonymous):

|dw:1325541411557:dw| a-c is the diameter, a-b is the radius

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