A paper is in the form of a rectangle `A B C D` in which `A B=20\ c m` and `B C=14\ c mdot` A semicircular portion with `B C` as diameter is cut off. Find the area of the remaining part.

A paper is in the form of a rectangle ABCD in which AB = 20 cm and BC = 14 cm. A semicircular portion with BC as diameter is cut off. Find the area of the remaining part. ( use pi = (22)/(7) )

A paper is in the form of a retangle ABCD in which AB=20cm and BC=144m. A semi- circular portion with BC as diameter is cut off. Find the area of a remaining part.

A paper is in the form of a rectangle ABCD where AB = 21 cm and BC = 14 cm. A semicircular portion with BC as diameter is cut off. Find the area of the remaining paper

A sheet of paper is in the form of a rectangle ABCD in which AB=40cm and AD=28cm* A semi-circular portion with BC as diameter is cut off.Find the area of the remaining paper.

A paper is in the form of a rectangle ABCD and AB = 18 cm, BC = 14 cm. A semi-circular passing with BC as diameter is cut off. Area of the remaining paper is

In Fig. 15.98, A B C is a right angled triangle in which /_A=90o , A B=21\ c m and A C=28\ c m . Semi-circles are described on A B ,\ B C and A C as diameters. Find the area of the shaded region. (FIGURE)

In Fig. 15.103, from a rectangular region A B C D with A B=20\ c m , a right triangle A E D with A E=9\ c m and D E=12 c m , is cut off. On the other end, taking B C as diameter, a semicircle is added on outside the region. Find the area of the shaded region. (U s e\ \ pi=22//7)

In Fig. 15.93, A B C D is a rectangle with A B=14\ c m and B C=7\ c m . Taking D C ,\ B C and A D as diameters, three semi-circles are drawn as shown in the figure. Find the area of the shaded region. (FIGURE)

In Fig. 15.82, A B C D is a rectangle, having A B=20\ c m and B C=14\ c m . Two sectors of 180o have been cut off. Calculate: (i) the area of the shaded region. (FIGURE) (ii) the length of the boundary of the shaded region.