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?
Seven circles, each with radius 1, overlap to form the composite figure shown below. Find the area of shaded region?
Three non-concentric circles of equal radii are drawn such that each circle touches the other two externally. The centres are joined to form a triangle whose area is 17320.5 cm^2. Find the area of the triangle not included in the circles.
In a square with a side length of 1, two quarter circles are drawn and a circle is inscribed between the quarter circles, as shown in the diagram.
What is the radius of the inscribed circle?
In a unit square, two quarter circles are drawn, centered at two opposite vertices, What is the area of the oval-shaped region?
If you knew that the radius of the big circle and the big arcs is 5 cm, what is the area of the yellow region?