Question

answer this question

Answer 1

Area of the shaded region = ar of circle - ar of triangle

ie πr^2 - 1/2×b×h - (1)

BC = √3^2+4^2 ( Pythagoras theorem)

ie BC = √25cm = 5cm

Substituting this in eqn 1

22/7× (5/2)^2 - 1/2× 3×4

Solving this we will get the answer as

13.6375cm^2

Hope this would help you....