4x72=288 8x36=288 The same number so it must be equivalent. Hopefully that helps you ❤
Answer:
52
Step-by-step explanation:
7 hours
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