Two supplementary angles are in ratio 4 : 5, find the angles, – InterviewSolution

1.

Two supplementary angles are in ratio 4 : 5, find the angles,

Answer»

Let angles are 4x & 5x.

∴ Angles are supplementary

∴ 4x + 5x = 180⁰

⇒ 9x = 180⁰

⇒ x = 180^o/9 = 20^o

∴ Angles are 4 × 20⁰ , 5 × 20⁰ ⇒ 80⁰ & 100⁰

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