Mathematics
In the given figure, PQRS is a diameter of a circle of radius 6 cm. The lengths PQ, QR and RS are equal. Semi-circles are drawn on PQ and QS as diameters. If PS = 12 cm, find the perimeter and the area of the shaded region.
Related Questions
In an equilateral △ABC of side 14 cm, side BC is the diameter of a semi-circle as shown in the figure. Find the area of the shaded region.
In the given figure, AB is the diameter of a circle with centre O and OA = 7 cm. Find the area of the shaded region.
In the given figure, ABCD is a piece of cardboard in the shape of trapezium in which AB || DC, ∠ABC = 90°. From this piece, quarter circle BEFC is removed. Given DC = BC = 4.2 cm and AE = 2 cm. Calculate the area of the remaining piece of the cardboard.
Find the perimeter and area of the shaded region shown in the figure. The four corners are circle quadrants and at the centre, there is a circle.
