Question

find the distance covered by the wheel of a car in500 revolution s if the diameter of the wheel is 77cm.​

Answer 1

Answer:

1210 m

Step-by-step explanation:

Distance coverd in one revolution is =πd=722×77=242 cm

Distance coverd in 500 revolutions =500×242=121000 cm=1210m

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Answer 2

Answer:

121000 cm or 1210 m or 1.21 km

Step-by-step explanation:

Given:

No. of revolutions = 500

Diameter of wheel = 77cm => radius = 77/2 cm

Now, distance covered in 1 revolution = Perimeter of the wheel

Distance in 1 revolution = 2xπxr = $2*\frac{22}{7}*\frac{77}{2}$

Thus, distance in 1 revolution = 2x11x11 = 242 cm

Therefore, distance in 500 revolutions = No. of revolutions * distance in 1 revolution.

Distance in 500 revolutions = 500 * 242 = 121000 cm or 1210 m or 1.21 km