Mathematics
The side BC of a triangle ABC is produced to D so that CD = AC. If the angle BAD = 109° and the angle ACB = 72°, prove that BD is greater than AD.
Related Questions
Two sides of a triangle are 8 cm and 11 cm, The length of its third side lies between a cm b cm, find the values of a and b if a < b.
In any quadrilateral, the sum of the lengths of its four sides exceeds the sum of the lengths of its diagonals. Prove it.
In the following figure, AB = AD, AC = AE and ∠BAD = ∠CAE.

Prove that : BC = ED.
In triangle ABC, P is mid-point of AB and Q is mid-point of AC. If AB = 9.6 cm, BC = 11 cm and AC = 11.2 cm; find the perimeter of the trapezium PBCQ.
