If 3 times the supplement of an angle is subtracted from 7 times the complement of the angle, the answer is the same as that obtained from trisecting a right angle. What is the supplement of this angle?
1 Answer
Dec 25, 2015
150 degrees.
Explanation:
Let the angle be x .
according to given conditions,
3(180- x ) - 7(90- x ) =
540- 3 x - 630 +7 x = 30
4 x - 90 = 30
4 x = 30+90
4 x = 120
x =
x = 30
supplement of angle = 180 - 30 = 150 degrees
