Answer:
2.
Step-by-step explanation:
1. Given
2. Definition of Supplementary Angles
3. First Substitution
4. Subtraction property of Equality
5. Second Substitution
6. Exterior Side in Opposite Rays
7. If corresponding angles are equal, then lines are parallel
Answer:
Not sure of the rest but hope this helps
Answer:
8
Step-by-step explanation:
Answer:
option C : 2
Step-by-step explanation:
because there can be one triangle from BA till 20cm . and other till D
hope it helps you