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25-01-2018
Mathematics

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the measures of the angles of triangle are 3x°,5x°,76°. Find the value of x

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mysticaldogg mysticaldogg

25-01-2018

Triangle = 180°

3x + 5x + 76 = 180
combine like terms

8x + 76 = 180
subtract 76 from both sides

8x = 104
divide both sides by 8 to isolate the variable

x = 13

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