This is the transitive property :)
Answer:
I would say that the answer is 1000=273+m
If a quadrilateral has exactly 2 lines of symmetry and both are angle bisectors then the figure must be a rhombus because it has exactly 2 pairs of congruent angles.
I hope this helps! :)
Answer:
180
Step-by-step explanation:
Here's the work and the answer. I hope this helps.