SOLUTION: The second angle of the triangle is twice the first, while the third angle of the triangle is 1.5 times the second. What is the measure of the first angle?
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Question 606859: The second angle of the triangle is twice the first, while the third angle of the triangle is 1.5 times the second. What is the measure of the first angle? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! The second angle of the triangle is twice the first, while the third angle of the triangle is 1.5 times the second. What is the measure of the first angle?
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1st: x
2nd: 2x
3rd: 1.5*2x = 3x
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Equation:
x + 2x + 3x = 180
6x = 180
x = 30 1st
2x = 60 2nd
3x = 90 3rd
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Cheers,
Stan H
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