Question

7. A wheel has radius 42 cm.
(a) Find the distance covered in 700 revolutions.
(b) In how many revolutions will it cover a distance of 3 km 960 m?​

Answer 1

Answer:

answer is 45

Step-by-step explanation:

because 42 / 700+3000 km

Answer 2

Answer:

a)c.s.a of wheel = distance covered in revolutions

=4πrsquare

=4*22/7*42*42

=88*252

=22176 cm square..

distance covered in 700 revolutions=700*22176

=15523200ans...