1.

The diameter of wheel is 42cm find how many complete revalution must in make to cover 396meter .

Answer» HEY bro here is UR and...

no. of revolutions =396 m/ circumference of.
wheel

circumference of wheel = 2* pi* 21
= 2*22*3
=132

no. of revolutions =396/132 =3
hope it HELPS bro


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