Find the area of shaded region, if in parallelogram ABCD, ∠PBQ=∠SDR = 60o, BP=BQ=SD=RD= 21 cm, BC = 45 cm and MN = 20 cm.
ABCD is a rectangle with AB = 28 cm and BC = 14 cm. Taking DC, BC, and AD as diameters, three semicircles are drawn as shown in the figure. Find the area of shaded region. (Use π =227)
Find the area of shaded region in the given figure, where a circle is enclosed by a square ABCD of side 20cm.
In the given figure, ABCD is a rectangle of dimensions 21 cm X 14 cm. A semicircle is drawn with BC as diameter. Find the area and the perimeter of the shaded region in the figure.