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State true or false.

The distance traveled by a circular wheel of diameter $d$ cm in one revolution is $2 π d$ cm.

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True

False

answer is B.

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Detailed Solution

It is given that, the diameter is

d

.
The distance traveled by the circular wheel of diameter

d

1

revolution is equal to the circumference of the wheel.
Circumference of the wheel

= 2 π r

.
Since,

2 r = d

,
So, the circumference of the wheel is

π d

.
So, the correct statement is that the wheel cover the distance in

1

revolution is

π d

.
Hence, the statement is false.
Therefore, option 2 is correct.

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