28 Answered Questions for the topic Quadrilateral

07/31/13

Prove: if a quadrilateral has one pair of sides both parallel and congruent then the quadrilateral is a parallelogram.

I think I have to prove that the other opposite sides are also parallel, but I am not sure how to do it. It is given that the other opposite sides are congruent and parallel.
Quadrilateral

02/24/13

ABCD is a rectangle in which diagonals AC bisects angle A as well as angle C. Show that ABCD is a squre.

give it to  me now please please..................
Quadrilateral

11/29/12

show me a quadrilateral

Show me a shape quadrilateral

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