GachaClub GachaClub

01-03-2021
Mathematics

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The measure of an angle is 112.8°. What is the measure of its supplementary angle?

Im D u m b

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estherkot estherkot

01-03-2021

Supplementary angels means that they both add up to 180°. So 112.8+x=180.
So subtract 112.8 from both sides and you get 67.2°. So the answer is 67.2°

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gabriellevelazquez25 gabriellevelazquez25

01-03-2021

If angles X and Y are supplementary
X+Y=90
x=16+3y
16+3y+y=90
4y=90-16
4y=74
y=74/4=18.50
x=90-18.50=71.50

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