Question

the distance covered by the wheel of radius 21 decimeter when it makes 100 revolutions is​

Answer 1

Answer:

13200 decimeter

Step-by-step explanation:

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Answer 2

Radius of wheel =21 decimetre

Circumference of wheel =2πr

= 2×22/7×21

= 132 decimetre

So the distance covered by wheel in 100 revolutions = Circumference of the wheel × no. of revolutions

= 132×100 = 13200 decimetre

OR

1320 metres...

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