A bicycle wheel has a diameter of 7 cm. What distance does the wheel cover on the ground if it completes 1 full rotation?
(Assume $π = \frac{22}{7}$ )

44 cm

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22 cm

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21 cm

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42 cm

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Solution

The correct option is B 22 cm
Given, diameter = 7cm
1 complete rotation = circumference of the wheel = $2 π r$
As, we know diameter $= 2 \times r = 7$
So, Distance covered $= \frac{22}{7} \times 7 = 22 c m$

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A bicycle wheel has a diameter of 7 cm. What distance does the wheel cover on the ground if it completes 1 full rotation? (Assume π=227)

The correct option is B 22 cmGiven, diameter = 7cm 1 complete rotation = circumference of the wheel = 2πr As, we know diameter =2×r=7 So, Distance covered=227×7=22 cm

A bicycle wheel has a diameter of 7 cm. What distance does the wheel cover on the ground if it completes 1 full rotation?
(Assume $π = \frac{22}{7}$ )

The correct option is B 22 cm
Given, diameter = 7cm
1 complete rotation = circumference of the wheel = $2 π r$
As, we know diameter $= 2 \times r = 7$
So, Distance covered $= \frac{22}{7} \times 7 = 22 c m$