Two supplementary angles are in the ratio 7 : 11. Find the angles.

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1 Answers

Let two supplementary angles are 7x and 11x

∴ 7x + 11x= 180°

⇒ 18x = 180°

⇒ x = (180/18)°

⇒ x = 10°

Two supplementary angles are

7x = 7 x 10° = 70°

11x = 11 x 10°= 110°

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