shobiyana12345
shobiyana12345 shobiyana12345
  • 03-06-2021
  • Mathematics
contestada

the radius of a wheel is 21m.how much distance will it covers when it rotates 5 times?​

Respuesta :

Lanuel
Lanuel Lanuel
  • 08-06-2021

Answer:

Distance = 660 meters

Step-by-step explanation:

Given the following data;

Radius, r = 21 m

Number of revolutions = 5 times

To find the distance covered;

The distance covered in one revolution is given by the circumference of a circle.

Mathematically, circumfeence of a circle is equal to;

C = 2πr

Substituting into the formula, we have;

C = 2 * 22/7 * 21

C = 44 * 3

C = 132 meters

Next, we find the distance covered;

Distance = Circumference * Number of revolutions

Distance = 132 * 5

Distance = 660 meters

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