Question

please answer this only

Answer 1

Given that,

ABCD is a quadrilateral

AB =CD,

AD =BC,

AB parallel to CD,

AD parallel to BC,

From the quadrilateral,

There are two triangles,

From the triangle, ABD and BCD

AB =CD

BD =BD

AD =BC

Now you can say that ABCD is a parallelogram

Because in parallelogram two pairs of opposite sides are equal

Hope me it will help you