Two circles with the same radius overlap each other. Their circumferences cross each other's center. How much of the area of either circle in percentage is the overlapped area?
Seven circles, each with radius 1, overlap to form the composite figure shown below. Find the area of 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?
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?
Three circles of unit radius and touching each other. What is max possible area of blue circle as shown in image? And what about red circles?
Two large circles are tangent to each other and the parallel lines. Two small circles are tangent to the large circles and to one of the lines. If the distance between the centers of the small circles is 96, what is the distance between the centers of the large circles?
