Problema Solution
One angle of a parallelogram is 12 degrees less than three times the measure of the angle next to it. The sum of the measures of the angles is 180 degrees. Find the measure of the adjacent angles of the parallelogram.
Answer provided by our tutors
Set up a system of equations:
X + Y = 180
X = 3Y - 12
Now substitute
3Y - 12 + Y = 180
4Y = 192
Y = 48
X = 132