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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

Given :- ABCD is a QUAD with diagonal BD. To prove :- ABCD is a llgm Proof :- AB = CD =3 cm (given ) angle CDB = angle ABD = 90 degree (Given ) If angle CDB = angle ABD , then AB ll CD ( Angle CDB & angle ABD are alternate intr. angles and they are equal ) Therefore QUAD ABCD is a llgm (A quad with a pair of opposite sides equal and parallel is a parallelogram. ) Hope it helps and pls mark as the best answer. :-)