In the given figure, ABCD is a rectangle with `AB=80cm` and `BC=70cm, /_AED=90^(@)` and `DE=42cm`. A semicirle is drawn, taking BC a diameter. Find the area of the shaded region.

In the given figure, ABC is a right triangle, right angled at A. AB = 3 cm and AC = 4 cm. Semicircles are drawn on AB, AC and BC as diameters. Find the area of the shaded region.

In the given figure,ABC is a right angled triangle in which /_A=90^(@),AB=21 cm and AC=28 cm.Semi-circles are drawn on AB,BC and AC as diameters.Find the area of shaded region.

In the given figure ABCD is a rectangle of dimensions 21cmxx14cm . A semicircle is drawn with BC as diameter. Find the area and the perimeter of the shaded region in the figure.

In the given figure ABC is a right angled triangle where /_A=90^@ . AB=21cm and AC=28cm . Semicircles are described on AB, BC and CA as diameter. Find the area of the shaded portion. ( pi=22/7 )

ABCD is a rectangle with AB=14cm and BC=7cm . Taking DC, BC and AD as diameters, three semicircles are drawn as shown in the figure. Find the area of shaded region.

ABCD is a rectangle with AB=14cm and BC=7cm . Taking DC, BC and AD as diameters, three semicircles are drawn as shown in the figure. Find the area of shaded region.

ABCD is a rectangle with AB=14cm and BC=7cm . Taking DC, BC and AD as diameters, three semicircles are drawn as shown in the figure. Find the area of shaded region.

In fig ABC is a right angled triangle in which /_A=90^(@),AB=21 cm and AC=28cm Semi- circles are described on AB,BC and AC as diameters.Find the area of the shaded region

In the given figure, ABCD is a rectangle in which AB = 40 cm and BC = 25 cm. If P. Q, R, S be the midpoints of AB, BC, CD and DA respectively, find the area of the shaded region.

In the fig.ABC is a quadrant of a circle of radius 14cm and a semicircle is drawn with BC as a diameter. Find the area of the shaded region.