Math, asked by Anny2010, 2 days ago

How many times a wheel of radius 21 cm must rotate to go 660 cm?

Answers

Answered by nivruttibbakal

0

Answer:

The wheel will rotate 700 times.

Answered by rekhayadav131627

0

Answer:

87120cm

Step-by-step explanation:

One rotation of the wheel = circumference of the wheel

Therefore, circumference of circle =

$2\pi \: r$

= 2×22/7×21

= 132cm

= 132×660

= 87120cm

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