Question

How many times a wheel of radius 28 cm must rotate to go 352 m?(take pie =22/7
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Answer 1

Answer:

2 x 22/7 x 28 = 176 CM

35200/176= 200 times of rotation

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Answer 2

Answer:

200 times

Step-by-step explanation:

The wheel goes a distance equal to the circumstances of the wheel in one rotation = 2π r

2× 22/7 ×28 cm

2×22×4

44×4 = 176

352m = 352 × 100 cm

number of rotations of the wheel =

352×100cm/176cm

35200/176

200 times ans

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