Question

two supplements angles are in the ratio 4:5.find the angels

Answer 1

Hey there!!
Here is ur answer_
Let the common multiples be x
Supplementary angle measure 180°
4x + 5x = 180°

9x= 180°

x = 20°

4x.. 4*20= 80°
5x.. 5*20= 100°....Substituting the value of x

So,
4x=80°

5x=100°

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Answer 2

first angle =x
so second angle = 180-x
but they are in ratio 4:5
so
4x= 5(180-x)
9x= 900
x = 100
so angals are
100 an 80