Answer:
Given two triangles on a coordinate plane, you can check whether they are congruent by using the distance formula to find the lengths of their sides. If three pairs of sides are congruent, then the triangles are congruent by the above theorem.
Step-by-step explanation:
I believe your answer is commutative property
Answer: D.
Step-by-step explanation: If you look closely, putting a 100 wouldn't make sense
