Question

in diagram below, fg=10 and HJ=10. Which additional facts would guarantee that fghj is a parallelogram? Check all that apply.

Answer 1

A parallelogram is shown in the picture attached. If we want to prove that figure fghj is a parallelogram, the following actions should be proved:

* Sides fj and sides gh should be equal
* The blue angles should not be equal to the red angles
* The blue angles should be equal
* The red angles should be equal