Question

A football has a diameter of 21 cm . How many times it must be rolled over to travel from one end of a playground to the other end, if the length of the playground is 132 m.

Answer 1

Answer:

2 rotation

Step-by-step explanation:

1 complete rotation mean the the circumference of the football

so circumference of the football = 22/7×21/2×2

=66cm

66cm =1 rotation

132cm =132/66

2rotation