Question

1). Two angles are called adjacent angles if have a common vertex, a common arm and their non common arms lie on ______ of the common arm.

2). If a ray stands on a line, then the sum of two adjacent angles so formed is _____.

3). If the sum of two adjacent angle is 180⁰, then the non-common arms of the angles form ______. ​

Answer 1

1. interior

2. 180 degree

3. opposit rays

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