2. Angle Addition Postulate as they are adding both angles
3. 60 + 40 = m <ABC because it's a substitution
4. 100 = m <ABC as it is simplified already
5. Definition of obtuse angle
Answer:
two
Step-by-step explanation:
A ratio compares the relative sizes of two quantities .
Answer: 2 is a given which is (SV | | TU)
I need help with the others.
Step-by-step explanation:
Peter, to find the perimeter you have to add all sides up.
