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o-na [289]
3 years ago
12

Please help me it would help

Mathematics
2 answers:
gavmur [86]3 years ago
8 0

the answer is A i think I am not sure to be honest

ivolga24 [154]3 years ago
6 0

the answer is A=21.2

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Answer:

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Step-by-step explanation:

let one angle be "x" and the other be "y"

Angles which are supplementary total to 180°. This can be represented with the equation:

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If angle "x" is a third of angle "y", the situation is represented with this equation:

(1/3)x = y

Since fractions are difficult to work with, multiply the whole equation by 3.

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Use the equations x+y=180 and x=3y.

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y = 45

Substitute y=45 itno the equation x+y=180 to find x.

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x = 135

Therefore the angles are 45° and 135°.

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