SOLUTION: find two angles such that the angles are adjacent and form an angle of 120 degress. the larger is 20 degrees less than three times the smaller.
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Question 185067: find two angles such that the angles are adjacent and form an angle of 120 degress. the larger is 20 degrees less than three times the smaller.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Let the measure of the smaller angle be x. Then the measure of the larger angle must be 3x - 20. The sum of the measures of these two angles must be 120, thus:
Solve for x to get the measure of the smaller angle, and subtract that value from 120 to get the measure of the larger. Check your answer by multiplying the measure of the smaller angle by 3 and subtracting 20 to see if the result is what you got for the larger angle.
John

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