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If x=1/3 y, show y=135°. Supplementary angle
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4 votes
If x=1/3 y, show y=135°. Supplementary angle

User Gianluca Paris
by
5.8k points

1 Answer

4 votes

Answer:

see explanation

Explanation:

Supplementary angles sum to 180° , then

x + y = 180 , that is


(1)/(3) y + y = 180 ( multiply through by 3 to clear the fraction )

y + 3y = 540

4y = 540 ( divide both sides by 4 )

y = 135°

User Diganta Kumar
by
4.7k points
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