Question

find the complement angle of (90-x)

Answer 1

In a right angled triangle, the two non-right angles are complementary, because in a triangle the three angles add to 180°, and 90° has already been taken by the right angle. When two angles add to 90°, we say they "Complement" each other.

Answer 2

Answer:

We know that complementary angles sum up to 90..let the other angle be a..

i.e 90 - x + a= 90

-x + a= 0 (canceling 90)

Therefore, a = x

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