Question

Find the angles which is 2/3 of its supplement.​

Answer 1

Answer:

135,45

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Answer 2

Let x and y be the two angles

They are supplement means x+y=180

Now one angle is two third of another which means x=2y/3

putting in to equation

2y/3+y=180

⇒ (2y+3y)/3 =180

⇒5y=180×3

⇒y= 180×3÷5

⇒y=108

x= 2y/3= 2⋅108/3 =72

∴x=72 and y=108.

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