Seven circles, each with radius 1, overlap to form the composite figure shown below. Find the area of shaded region?
2π
We can clearly see 6 "petals" (inner) and 6 "funnels" (outer). Now,
So the area is 2πr^2 = 2π
7 non-overlapping unit circles are inscribed inside a large circle as shown below. Find the area of the shaded region?
Two congruent circles of radius 5 cm are drawn in such a way that one is 1 cm below the other . Find the area of red coloured region?
Find the area of the blue shaded region in this 14x7 rectangle, with two semicircles of radius 7 drawn.
A semicircle is inscribed in a right triangle as shown. What is the area of the shaded region in the figure?
A circle with radius 1 is divided into 12 congruent regions, as shown below. What is the perimeter of a single region?
