In Figure, `A B C D` is a trapezium of area `24. 5\ c m^2` . In it, `A D || B C` , `/_D A B=90^@` , `A D=10\ c m` and `B C=4\ c m` . If `A B E` is a quadrant of a circle, find the area of the shaded region. `(T a k e\ pi=22//7)` .

A B C D is a flower bed. If O A=21\ m and O C=14\ m , find the area of the bed. (T a k e\ \ pi=22//7)

In Figure, A B C D is a trapezium with A B || D C and /_B C D=60^@ . If B F E C is a sector of a circle with centre C and A B=B C=7\ c m and D E=4\ c m , then find the area of the shaded region (U s e\ \ pi=(22)/7\ a n d\ sqrt(3)=1. 732) .

In Figure, A B C D is a trapezium with AB||DC . If /_\ A E D is similar to /_\ B E C , prove that A D=B C .

In Fig. 32, A B C D is a rectangle of length A B=40\ c m and breadth B C=25\ c mdot If P , Q , R , S be the mid-points of the sides A B ,\ B C ,\ C D\ and \ D A respectively, find the area of the shaded region.

In Figure, A B C D is a quadrilateral in which diagonal \ A C=84\ c m ; D L_|_A C ,\ B M_|_A C ,\ D L=16. 5\ c m and B M=12\ c m . Find the area of quadrilateral A B C Ddot

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.

In Figure, A B C D is a trapezium in which A B=7c m ,\ A D=B C=5c m ,\ D C=X\ c m , and distance between A B\ a n d\ D C is 4c m . Find the value of X and area of trapezium A B C D

In Figure, A B C D is a rectangle with sides A B=10 c m\ a n d\ A D=5c m . Find the area of /_\ E F G

In Figure, 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 Figure, A B C D is a parallelogram, A E\ _|_D C\ a n d\ CC F_|_A D . If A B=16 C M ,\ A E=8c m\ a n d\ C F=10 c m , find A D