Question

If the supplement of an angle is three times its complement find the angle.[Hint:Let the measure of the required angle be x. Then 180–x = 3(90-x)

Answer 1

Answer:

• 45

Step-by-step explanation:

180-x=3(90-x)

180-x=270-3x

-x+3x=270-180

2x=90

x=90÷2

x=45

Answer 2

Answer:

180-x= 270-x

-x+x= 270-180

=90