Question

The diameter of a car is 77cm .find the distance covered by the wheel in 500revolutions

Answer 1

Given,

diameter=77cm

•°• radius=77÷2=38.5cm

now apply the formula of circumference of circle= 2×22÷7 (r)^2

2×22÷7×(38.5)^2

= 44×20.25

= 891.00cm^2

Now 500×891=445500cm^2 is the distance covered by the wheel in 500 revolutions....

Hope it helpzzz