Answer
a) $D = 12cm$
b) $C = 37.7cm$
c) $A = 113.0cm^2$
Work Step by Step
a) $D = 2*6 = 12cm$
b) $C = 2*3.14*6 = 37.7cm$
c) $A = 3.14*6^2 = 113.0cm^2$
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