Area related to circle

1. Q. The centre of each of three unit circle is an intersection of
remaining two as shown. Find the area of shaded portion.

2. • Q. AB is a line 48 cm in length and C is its
middle point. On AB,AC,CB semi circles are
described.Find area of the circle inscribed in
the space enclosed by three semi circles.

3. Q. With vertices A,B and C of a triangle ABC as centres , arcs are
drawn with radii 5cm each. If AB=14cm, BC=48cm and CA=50cm,
then find area of the shaded region.

4. • Q. On a circular table cover of radius 32 cm, a
design is formed leaving an equilateral
triangle ABC in the middle. Find area of the
design.