Question

angle A and angle B are complementary angles If measure angle A: measure angle B = 4:5 then angle A = ?​

Answer 1

Step-by-step explanation:

Question

Two complementary angles are in the ratio 4:5. Find the angles.

Answer

Let the two angles be 4x and 5x

The sum of two complementary angles is 90∘

∴4x+5x=90∘

⇒9x=90∘

⇒x= 990∘

=10∘

So the angles are 4×10∘ =40∘

and 5×10 =50∘

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