i do not understand this...

Mathematics
Tutor: None Selected Time limit: 1 Day

May 5th, 2015

r = 2inches

d = 2r = 4inches

C = 2pir = 8 *3.14 = 25.12 inches

A = pi * r^2 = 3.14 * 4 = 12.56 inches squared


r = 16inches

d = 2r = 32inches

C = 2pir = 32 *3.14 = 100.48 inches

A = pi * r^2 = 3.14 * 256 = 803.84 inches squared

Please let me know if you have any questions and best me if you are satisfactory.



May 5th, 2015

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