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Juli2301 [7.4K]
3 years ago
12

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

Mathematics
1 answer:
Vaselesa [24]3 years ago
5 0

Answer:

see explanation

Step-by-step explanation:

Supplementary angles sum to 180°  , then

x + y = 180 , that is

\frac{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°

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Answer:

Step-by-step explanation:

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