Question

a circular disc of diameter 56cm rolled on a flat surface if the disc covers a distance of of 44 find the number of rotation made by the disc​

Answer 1

Answer:

4 rotation.

Step-by-step explanation:

The diameter of disc =56 cm

so, the radius of disc =56/2 =28 cm

Circumference of the circular disc =2πr

=2×22/7×28

= 44×4

= 176 cm

The distance covered by the disc =44

and, the circumference of the disc =176 cm

so, no. of rotation =176/44

= 4 rotation.