Question

The radius of a cycle wheel is 35 cm. Find the number of turns required to cover a distance of 1540 m.​

Answer 1

Step-by-step explanation:

Given,

Radius of cycle wheel=35cm

Distance = 1540m= 154000cm

Number of turns =154000cm/35cm

=4,400

The number of turns required to cover a distance of 1540 m is 4,400 turns.

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Answer 2

Answer:

Circumference of a circle of radius r

=2×π×r

Therefore, circumference of the wheel

=2×227×35=220 cm

=2.2 m

In one rotation, the cycle wheel covers a distance of 2.2 m.

So, number of rotations required to cover 1540 m

= 15402.2=700 rotations