Question

In the given figure, O is the centre of the bigger circle, and AC is its diameter. Another circle with AB as diameter is drawn. If AC = 54 cm and BC = 10 cm, find the area of the shaded region.

Answer 1

AC= 54cm
BC = 10cm
Therefore, AB = AC-BC
AB= 54-10
AB = 44
Now,
Radius of big circle is 27
& Radius of Small circle is 22
Now, Area of Shaded region = Area of Big Circle - Area of Small Circle
=
= 729
= 245 = 770