two supplementary angles are in the ratio 4 is to 5 find the angle
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let the angle be x
therefore
the angle are 4x and 5x
According to question
4x +5x =180°(supplementry angle)
9x=180°
x=180/9
x=20
so ,4x=4×20
=80°
5x=5×20
=100° Ans
therefore
the angle are 4x and 5x
According to question
4x +5x =180°(supplementry angle)
9x=180°
x=180/9
x=20
so ,4x=4×20
=80°
5x=5×20
=100° Ans
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