Quadrilaterals ...

In a rectangle ABCD if diagonal AC = 12 cm, then the diagonal BD is

In parallelogram ABCD, DAB = 30⁰, BC = 20 cm and AB = 20 cm. The area of parallelogram is

In the given figure, ABCD is a parallelogram. The respective measures of angles x and y are

A quadrilateral in which diagonals are equal and bisect each other perpendicularly is

The length of a side of a rhombus is 10 m and one of its diagonals is 12 m. The length of the other diagonal is

In the parallelogram PQRS, the respective values of SQP and QSP are

A quadrilateral is a rhombus but not a square if

ABCD is a parallelogram and BD is a diagonal. If BAD = 70° and BDC = 65°, then DBC is equal to

In the parallelogram ABCD, AB = 12 cm. The altitudes corresponding to the sides AB and AD are 9 cm and 8 cm respectively. Find length of AD.

A quadrilateral is a rectangle but not a square when

The angles of a quadrilateral, taken in order, measure x, x + 20, x + 30 and x + 50 degrees. This quadrilateral is a

ABCD is a quadrilateral. If AC and BD bisect each other, then ABCD is a

In a parallelogram ABCD, if A = 60°, then B, C and D are respectively

In the given figure, ABCD is a square and ABX is equilateral. In this case, DCX is equal to

ABCD is a parallelogram. The angle bisectors of A and D meet at O. The measure of AOD is

In a parallelogram ABCD, AB = 4 cm and BC = 8 cm. Each of its diagonals is less than

There is a plane quadrilateral enclosure ABCD. Diagonal AC = 8.2 cm and perpendiculars from B and D to AC are 3.4 cm and 2.6 cm respectively. If 1 cm represents 5 m, then the area enclosed is

ABCD is a quadrilateral. AB = BC = CD = DA and A = B = C = D = 90°. Then ABCD is

In a square ABCD, its diagonals bisect at O. Then the triangle AOB is

Two parallelograms stand on equal bases and between the same parallels. The ratio of their areas is