Question

if the supplement of an angle is three times its complement,find the angle

Answer 1

By Taking
the angle = x
according to the question,
(180-x) = 3(90-x)
180 - x = 270 -3x
-x+3x = 270-180
2x = 90
x = 45

Answer 2

Let 3 times be 3x
90 + 3x =180
3x = 180 -90
3x = 90
x = 90/3
x = 30
Angle1,angle2 and angle 3 are same
All are 30 degree and they are complement
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