SOLUTION: find the measures of the angles of a triangle if the measure of one side is twice the measure of a second and the third angle measures two times the second decreased by 20
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Question 945236: find the measures of the angles of a triangle if the measure of one side is twice the measure of a second and the third angle measures two times the second decreased by 20 Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! find the measures of the angles of a triangle if the measure of one side is twice the measure of a second and the third angle measures two times the second decreased by 20
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let x=2nd angle
2x=1st angle
2x-20=3rd angle
..
x+2x+2x-20=180
5x=200
x=40
2x=80
2x-20=60
..
measure of 2nd angle=40˚
measure of 1st angle=80˚
measure of 3rd angle=60˚
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