Answers

2015-03-15T11:18:46+05:30
Circumference of a circle means its perimeter it can be found by 
       2πr
where r is radius
if a circle has radius 7 cm then 
circumference =2*22/7*7
                     =44 cm 




2 2 2
plzz mark as the best
plz
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Give an example too..
ok
2015-03-15T11:19:31+05:30
C=πd
c=circumfence
d=diameter

or
c=2πr
2 4 2
Revolution plzz give one example for better understanding
he doesn't want that..
if he want he will request...ok