What is the difference between supplementary angles and a linear pair?

1 Answer
Zor Shekhtman
Dec 6, 2015

Linear pair is a pair of two supplementary angles. But two supplementary angles might or might not form a linear pair, they just have to "supplement" each other, that is their sum should be #180^o#.

Explanation:

There are four linear pairs formed by two intersecting lines.
Each pair form supplementary angles because their sum is #180^o#.

There might be two angles that sum up to #180^o#, but that do not form a linear pair. For example, two angles in a parallelogram that share a common side.

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