One of the adjacent angles is 20% of the other adjacent angle, find the difference between these angles.
| December 13, 2020 | education
The sum of adjacent angles is 180 °.
Let x be 1 angle, then 0.2x is the second. Let’s make the equation
x + 0.2x = 180 °
1,2x = 180 °
x = 180 °: 1.2
x = 150 ° – larger angle
180 ° -150 ° = 30 ° – smaller angle
150-30 = 120 ° (difference)
Answer. 120 °
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