Diagonals of a Parallelogram
- Author:
- Harry Drew
- Topic:
- Parallelogram
Side lengths of diagonals are given.
Congruent angles are color coded.
Why do you think you can move vertices A, B and C but not D?
Are there any congruent triangles? How do you know?
Without their values being known, how do you know that certain angles are congruent?