Two supplementary angles are in the ratio 4:5. Find the angles? – InterviewSolution

1.

Two supplementary angles are in the ratio 4:5. Find the angles?

Answer»

Two supplementary angles are in the ratio 4:5.

Let us say, the angles are 4a and 5a

Since angle are supplementary angles;

Which implies, 4a + 5a = 180°

9a° = 180°

a = 20°

Therefore, 4a = 4 (20°) = 80° and 5a = 5 (20°) = 100°

Hence, required angles are 80° and 100°.

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