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23-10-2019
Mathematics

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a triangle has angles that measure x, x+10, x+20. find the measure of the angles

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Chayangr Chayangr

23-10-2019

The sum of the angles in a triangle is 180 degrees:
=> x+x+10+x+20 = 180
=> 3x+30 = 180
=> 3x = 180-30 = 150
=> x = 150/3 = 50
=> x+10=60 and x+20=70

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