Answer:

Step-by-step explanation:
Answer:
1.50 I think
Step-by-step explanation:
51.50-50 equals 1.50
Answer:
going upp then downn
Step-by-step explanation:
Answer:
SSS
Step-by-step explanation:
The two triangles both share a side (the middle line), and it is shown that the other lines are congruent to each other. So all 3 sides are congruent, meaning SSS is the postulate that proves this.