Mathematics

Identify  the following pairs of angles are complementary or supplementary: 
$$80^o,10^o$$ 


SOLUTION
If sum of two angles is $$180^o$$, then they are called supplementary angles. If sum of two angles is $$90^o$$. then they are called complementary angles. 
$$80^o +10^0 = 90^o$$  These are complementary angles. 
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