Question

A car tire has a radius of 20 cm. How far will it go in 120 turns?

Answer 1

Answer:

Radius of car tire = 20 cm

Circumference = 2pie r

2×22/7×20 = 880/7 cm

120 turn = 120 × 880/7 = 105600 / 7 cm

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Answer 2

The distance covered by the car tire in 120 turns is 15072 cm.

Step-by-step explanation:

Given:

The radius of the wheel = 20 cm

The number of turns it takes= 120 turns

To find = the distance covered

Solution:

The perimeter of the wheel is given by = 2πr

Putting the values:

perimeter = 2×3.14× 20

=40×3.14

The perimeter of the wheel is given by= 125.6 cm

Thus, the distance covered in 120 turns = 125.6×120

= 15072 cm.

Result:

Thus, the distance covered by the car tire in 120 turns is 15072 cm.

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