Question

In the figure, the circle PQR with radius r is enclosed in the sector OAB with centre at O and radius 48 cm. Given that angle AOB = 60 degrees, find:
a) the value of r.
b) the area of the shaded region, giving your answer correct to 1 decimal place.

Answer 1

its easy but lengthy. :/

Answer 2

yeah, it took me awhile
wanted to check to see if anyone got the same answer

Answer 3

i got 16 for the small radius, and 175.3 for the area, is that what you got?

Answer 4

yep :) awesome