Question

18. The complément of 90%-a is:​

Answer 1

Step-by-step explanation:

Let the complement be x

Sum of complementary angles is 90 ∘

⇒x+(90−a) ∘=90 ∘

⇒x−a=90 ∘ −90 ∘

⇒x=a

So the complement is a

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Answer 2

Answer:

Two Angles are Complementary when they add up to 90 degrees (a Right Angle). They don't have to be next to each other, just so long as the total is 90 degrees. Examples: 60° and 30° are complementary angles.