Question

Write an indirect proof to show that opposite sides of a parallelogram are congruent. Be sure to create and name the appropriate geometric figures. This figure does not need to be submitted.

Answer 1

when drawing a straight line through a vertex it is perpendicular to both sides
this means they are parallel

Answer 2

Okay

Answer 3

i am not sure but that is the only way i can see of proving it

Answer 4

I still don't understand

Answer 5

There's no names or points or anything that makes a proof a proof