C = 2ηr
20π = 2πr
r = 10
A = πr2
A = π(102)
A = 100π = 314 ft2
Jane l.
asked 03/31/20The circumference of a circle is 20π ft. What is the exact area?
show work to help thank you!!
C = 2ηr
20π = 2πr
r = 10
A = πr2
A = π(102)
A = 100π = 314 ft2
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