the supplement of an angle is less than three times its compliment by 20* . find the angle
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Answer:
let angle be X
so suplymentry angle is= 3 x-20
X + (3 x-20)= 180
4x-20. =180
4x= 180+20
4x=200
X=200/4
X =50
so that angle is 50
suplymentry angle is
(3 x-20)
50× 3-20
150-20
130
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