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  • Is it true that the distance travelled by a circular wheel of diameter d cm in one revolution is 2 pi d cm? Why?

Is it true that the distance travelled by a circular wheel of diameter d cm in one revolution is 2\pid cm?  Why?

Answers (1)

False

Solution

Circumference of circle =2\pir

Diameter = d

Radius =\frac{d}{2}

Circumference =2\pir

 = 2 \pi \frac{d}{2}=\pi d

Here we found that the distance travelled by a circular wheel of diameter d cm in one revolution is πd which is not equal to 2πd.

Hence the given statement is False.

Posted by

infoexpert24

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