A __________ is a pair of adjacent angles whose non-common arms are in opposite direction.

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Solution

Linear pairs are the adjacent angles that lie on a straight line.
Hence, A linear pair is a pair of adjacent angles whose non-common arms are in opposite direction.

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(i) If one angle of a linear pair is acute, then its other angle will be ........
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(iii) If the sum of two adjacent angles is 180°, then the ........ arms of the two angles are opposite rays.

A pair is a pair of the adjacent angle whose non-common sides are opposite rays?

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A __________ is a pair of adjacent angles whose non-common arms are in opposite direction.

Linear pairs are the adjacent angles that lie on a straight line.Hence, A linear pair is a pair of adjacent angles whose non-common arms are in opposite direction.

Linear pairs are the adjacent angles that lie on a straight line.
Hence, A linear pair is a pair of adjacent angles whose non-common arms are in opposite direction.