`ABCD` is a parallelogram, `AB = 14 cm, BC = 18 cm` and `AC = 16 cm` Find the length of the other diagonal?

ABCD is a parallelogram,AB=14cm,BC=18cm and AC=16cm Find the length of the other diagonal?

ABCD is a parallelogram which AB=7 cm, BC=9 cm and AC =8cm. What is the length (in cm) of other diagonal ?

In triangle ABC, D and E are mid-points of the sides AB and AC respectively. Through E, a straight line is drawn parallel to AB to meet BC at F. Prove that BDEF is a parallelogram. If AB = 16 cm, AC = 12 cm and BC = 18 cm, find the perimeter of the parallelogram BDEF.

In parallelogram ABCD, AB = 16 cm, BC = 12 cm and diagonal AC = 20 cm. Find the area of the parallelogram.

Sum of the squares of adjacent sides of a parallelogram is 130 cm length of one of its diagonals is 14 cm. Find the length of the other diagonal.

Sum of the squares of adjacent sides of a parallelogram is 130 cm length of one of its diagonals is 14 cm. Find the length of the other diagonal.

ABCD is a parallelogram, angleDAB=30^(@) BC = 20 cm and AB = 40cm. Find the area of parallelogram :

Parallelogram ABCD AB = 6 cm,BC = 5 cm , angleD = 70 ^@

In the given figure ABCD is a parallelogram, AEbotDCandCFbotAD . If AB = 16 cm, AE = 8 cm and CF = 10 cm then find the length of AD.