Question

AB and CD are respectively the smallest and the largest side of a quadrilateral ABCD. prove that:
∠A is greater than ∠c

Answer 1

DC>AB(GIVEN)
DC>AD(CD IS THE LONGEST)
ANGLE A > ANGLE C(ANGLE OPPOSITE TO LONGER SIDE IS GREATER)
DC>BC(CD IS THE LONGEST ANGLE)
HENCE PROVED