alexalynn3467 alexalynn3467

16-11-2017
Mathematics

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In a triangle the measure of the second angle is one-half the measure of the first angle. the third angle's measure is 20° less than the measure of the first angle. what are the measures of the angles?

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diabolicbeatlel diabolicbeatlel

16-11-2017

fist angle 40 second angle 80 third angle 60

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