Question

Find the diameter of a wheel whose circumference is 264 cm

Answer 1

Circumference = 264 cm 
we have the formula of circumference as follows , C=2πr
 so we put the value given in place of C
we have,
264=2*22/7*r (we have to find r)
taking everything except r to the other side
264*7/44=r
1848/44=r
42=radius 
since we have the value of radius we can easily find the diameter ,
2radius=diameter
2*42=diameter
84cm=Diameter 

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