Yevbl
Answered

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which of the following pairs are complementary angles?
1) 45° and 145°

2) 20° and 70°

3) 42° and 38°

4) 72° and 118°​

Sagot :

melinacalvillo9
It’s 2 since 20+70= 90

And complementary angles are two angles that sums up to 90 :)
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