20-02-2021
Mathematics

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Find the measure of an angle such that the difference between the measures of its supplement and four times its complement is 30

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20-02-2021

Answer:

70 degrees

Step-by-step explanation:

x = angle

180 - x = it's supplement

90 - x = it's compliment

(180 - x) - 4(90 - x) = 30

180 - x - 360 + 4x = 30

reducing

3x = 210

x = 70

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