In the figure, the semicirce centered at O has a diam.eter 6 cm. The chord BC is parallel to `AD and BC =1/2AD.` The area of the trapezium ABCD in `cm^2`, is :

In the shown figure, two circles of radii of 7 cm each, are shown. ABCD is rectangle and AD and BC are the radii. Find the area of the shaded region (in cm^(2) ).

In the figure given below, ABCD is a trapezium, EF is parallel to AD and BC. Then, angle y equal to

On a semicircle with diameter AD, chord BC is parallel to the diameter. Further, each of the chords AB and CD has length 2, while AD has length 8. What is the length of BC?

The given figure shows a trapezium ABCD in which AB = 17 cm, BC = 8 cm and CD = 15 cm. Find the area of the trapezium.

In the given figure, ABCD is a trapezium in which AD||BC, angle ABC = 90^(@), AD = 16 cm, AC = 41 cm and BC = 40 cm. Find the area of the trapezium.

In the given figure, ABCD is a trapezium in which AB = 9 cm, AD = BC= 6 cm, DC = x cm, and distance between AB and DC is 2 sqrt5 cm. The value of area of trapezium ABCD is k sqrt5 . Find the value of k.

The following figure shows a trapezium ABCD in which AB is parallel to DC and AD= BC Prove that: angleDAB= angleCBA

The following figure shows a trapezium ABCD in which AB is parallel to DC and AD= BC Prove that: OA = OB and OC= OD

The following figure shows a trapezium ABCD in which AB is parallel to DC and AD= BC Prove that: angleADC= angleBCD