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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