angelliu11
angelliu11 angelliu11
  • 07-08-2017
  • Mathematics
contestada

find the measure of a base angle of a isosceles triangle if the measure of the vertex angle is 100

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sergibcnusa sergibcnusa
  • 07-08-2017
Sum of the angles in a triangle ... 180!

Isosceles, two of them are equal: 100 + 2x  =180, x = 40 degrees! <- That's the answer ;)
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