Question

how many revolutions will be taken by a wheel of diameter 28cm to cover 352 metre​

Answer 1

Answer:

400

Step-by-step explanation:

radius = diameter/2 = 28/2 = 14cm

circumference = 2pirn

35200 = 2×22/7×14×n

n = 246400/616

n = 400

Answer 2

circumference of circular wheel=2πr

=2×22×28

7

=2×22×4

=44×4

=176cm=1.76m

revolution =352

1.76

=35200

176

=200

The wheel completes 200 revolution

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