SOLUTION: In a triangle, the measure of one angle is 60 degrees, the second angle is twice the measure of the third angle. Find the measures of the second and third angles.

Algebra ->  Triangles -> SOLUTION: In a triangle, the measure of one angle is 60 degrees, the second angle is twice the measure of the third angle. Find the measures of the second and third angles.      Log On


   

Question 104995: In a triangle, the measure of one angle is 60 degrees, the second angle is twice the measure of the third angle. Find the measures of the second and third angles.
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
60+2*X+X=90
60+2X+X=90
3X=90-60
3X=30
X=30/3
X=10 DEGREES FOR THE THIRD ANGLE.
2*10=THE SECOND ANGLE.
PROOF
60+20+10=90
90=90