Math, asked by sumanmeena1191, 2 months ago

how many times a wheel of radius 21cm must rotate to go 660 m

Answers

Answered by urvikalekar

1

answer:

5 rotations

Step-by-step explanation:

first find out circumference of wheel i.e.

2πr

given: r=21cm

Therefore,

2 x 22/7 x 21

= 2 x 22 x 3 = 132

no. of rotations = 660/132 = 5

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