SOLUTION: If the measure of the second angle of a triangle is twice that of the first indicate the measure of the third angle

SOLUTION: If the measure of the second angle of a triangle is twice that of the first indicate the measure of the third angle

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Question 1081919: If the measure of the second angle of a triangle is twice that of the first indicate the measure of the third angle
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
x is first angle
x+2x=y=180 degrees
y=180-3x deg
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