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Define Adjacent Angles. - Mathematics

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Answer in Brief

Define adjacent angles.

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Solution

Adjacent angles: Two angles are called adjacent angles, if:

  1. They have the same vertex,

  2. They have a common arm, and

  3. Uncommon arms are on either side of the common arm.

In the figure above, ∠AOC and ∠BOC have a common vertex O.

Also, they have a common arm OC and the distinct arms  AOand BO, lies on the opposite sides of the line OC.

Therefore, ∠AOC and ∠BOC are adjacent angles.

Concept: Introduction to Lines and Angles
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APPEARS IN

RD Sharma Mathematics for Class 9
Chapter 10 Lines and Angles
Q 3 | Page 50
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