In the Quadrilateral MNOP, the two diagonals meet at ……. .

In a quadrilateral AB|\|CD the diagonals intersect at ‘O’. Then S.T. /_\OAB ~ /_\OCD .

In Rhombus, the diagonals are ……….

If a quadrilateral is cyclic then it is a

Diagonals are equal in a

In the quadrilateral PQRS. i) name the sides, angles vertices and diagonals. ii) also name all the pairs of adjacent sides, adjacent angles, opposite sides and opposite angles.

Calculate the area of a quadrilateral ABCD when length of the diagonal AC = 20 cm and the lengths of perpendiculars from B and D on AC be 4 cm and 5 cm respectively.

In a rectangle the diagonals are ………

In a square the diagonals are …………….

In the figure, ABCD is a quadrilateral. AC is the diagonal and DE || AC and also DE meets BC produced at E. Show that ar(ABCD) = ar (DeltaABE).