Question

A road roller makes 200 rotations in covering 2200 m.
Find the radius of the roller.
The minute hand of a circular clock is 15 cm.
How far does the tip of the minute hand move in 1 hour?
(Take n = 3.14)​

Answer 1

Answer:1.751 m

Clock hand moves

94.2 cm but it retyrns to its orignal place so no displacement

Step-by-step explanation:2200 m after 200 revolution so perimeter is 11m

By using perimeter formula ans is 1.751m