Answer: triangle 1, triangle 2, and triangle 3
Step-by-step explanation:
Triangles 1 and 3 are congruent by SAS. So, by CPCTC, all three sides are congruent, making triangle 2 congruent to them as well by SSS.
Answer:
Triangle.
Step-by-step explanation:
1 because -2+3=1 hahahahahah it's telling me my answer needs to be at least 20 characters long :')