Question

There angles if their arms called a pair of from two pairs of opposite rays.
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Answer 1

Answer:

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Linear Pair Angles : Two adjacent angles are said to form a linear pair of angles, if their non-common arms are two opposite rays. Here, OA and OB are two opposite rays and ∠AOC and ∠BOC are the adjacent angles.

Answer 2

Answer:

Linear Pair Angles : Two adjacent angles are said to form a linear pair of angles, if their non-common arms are two opposite rays. Here, OA and OB are two opposite rays and ∠AOC and ∠BOC are the adjacent angles.