Answer:
C.
make me brainlest if you copy okay
Answer:
600
Step-by-step explanation:
Because the tens digit is less than 5, round down to 600
Answer:I’m bored
Step-by-step explanation:
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