sampana2065 sampana2065

15-08-2021
Mathematics

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

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jimrgrant1 jimrgrant1

15-08-2021

Answer:

see explanation

Step-by-step explanation:

Supplementary angles sum to 180° , then

x + y = 180 , that is

[tex]\frac{1}{3}[/tex] y + y = 180 ( multiply through by 3 to clear the fraction )

y + 3y = 540

4y = 540 ( divide both sides by 4 )

y = 135°

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