Question

How many times a wheel of radius 28 cm must rotate to go 352 m? take π = 22/7

Answer 1

Radius of the wheel = 28 cm
Distance covered by the wheel in one rotation = 2πr
= 2 × 22/7 × 28
= 176 cm
Distance to be covered = 352 m = 35200 cm

Number of rotations of the wheel to cover 35200 cm = 35200/176 = 200
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Answer 2

352 m =35200 cm

________________________

Circumference of wheel =(2*22*28)/7

Circumference of wheel =(44*4)

. circumference of wheel =176cm

Wheel will rotate (35200)/176

Wheel will rotate 200 times to cover 352 m.

I hope this will help you

-by ABHAY