Question

7. If an angle is equal to twice its supplement, find the angle.​

Answer 1

Answer:

the one supplement angle is taken by X and twice of supplement angle is 2X. So that it remains two supplement that is measured by angle at 180 degree and then consider it as X x+2x=180°, 3x=180°, x=180÷3=60°, 2×60=120°.

Explanation:

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Answer 2

Explanation:

Let the required angle be x

Therefore, x=2(180−x)

⇒x=360−2x

⇒3x=360

⇒x=120

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