Question

3.
(CBSE 2016
An elastic belt is placed around the rim of a pulley of radius 5 cm. One point on the belt is pulled die
away from centre of pulley until it is at P. 10 cm from O. Find the length of belt that is in contact
the rim of pulley. Also find shaded region
(Hint: In AAOP, we have
op - APAO
10-Ap.5
100 - 25AP
AP - 75
AP - 53 cm
APO. (By T-ratio)
Fig. 12:58
Find​

Answer 1

Answer:

Step-by-step explanation:

• Grade? Cause it’s hard check in google