SOLUTION: a function gives the value of C as 2 x (22/7) x r Find C when r=7cm and r=91cm

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Question 178648: a function gives the value of C as 2 x (22/7) x r
Find C when r=7cm and r=91cm
Found 2 solutions by Zef, Mathtut:
Answer by Zef(4) About Me  (Show Source):
You can put this solution on YOUR website!
Easy just substitute
1. 2 x (22/7) x 7
Ans is 44
2. 2 x (22/7) x 91
Ans is 572

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
C=44/7(r)
:
C(7)=(44/7)(7)=44 cm
:
C(91)=(44/7)(91)=572 cm