Question

1. In ∆MNO, what is the included side of <M and <O?

2. In ∆ABC, what is the included angle of sides AB and AC?
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Answer 1

Answers:

1. Segment MO
2. Angle A

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Step-by-step explanation:

1. The included side between two angles is simply the segment with the endpoints mentioned. So we involve endpoints M and O to form segment MO. This is the same as saying segment OM. The order doesn't matter.
2. The angle between two sides involves the shared letter. For sides AB and AC, that shared common letter is A. Therefore, angle A is the included angle between the sides. We can refer to it as angle BAC or angle CAB, but angle A should suffice as a name assuming there aren't any other letters as part of the diagram.