Question

a) Two semicircular parts are removed from a semicircular disc, as shown in Fig 7
() Find area of the shaded region,
(ii) If a thread is to be placed around the boundary of the shaded region, find the
length of the thread required.
40 m
Fig. 7​

Answer 1

Answer:

semicircular disc, as shown in Fig 7

() Find area of the shaded region,

(ii) If a thread is to be placed around the boundary of the shaded region, find the

length of the thread required.

40 m

Fig. 7