3 years ago

Please help!!! Will give brainly!! 50 points

Mathematics

2 answers:

AleksAgata [21]3 years ago

6 0

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

kolezko [41]3 years ago

4 0

Answer:

Definition of obtuse angle

Step-by-step explanation:

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