SOLUTION: two angles of a triangle measure 102 and 39 what is the measure of the third angle of the triangle

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Question 540919: two angles of a triangle measure 102 and 39 what is the measure of the third angle of the triangle
Answer by friesr(113) About Me  (Show Source):
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The sum of the interior angles of a triange is 180 deg.
180-102-39 = 39 deg