In a quadrilateral its three angles are in the ratio 3:3:1 and the fourth angle is 80° find the other angles .
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Let the ratio be x
3x, 3x, 1x
To find
3x+3x+1x+80=360( sum of all sides of quadrilateral)
7x=360-80
7x=280
X=280\7
X= 40
First angle is of 3x=3*40=120
Second angle is of 3x=120
Third angle of 1x=1*40=40
Fourth angle is of 80 (given in question)
I hope this will help you
By devansh
3x, 3x, 1x
To find
3x+3x+1x+80=360( sum of all sides of quadrilateral)
7x=360-80
7x=280
X=280\7
X= 40
First angle is of 3x=3*40=120
Second angle is of 3x=120
Third angle of 1x=1*40=40
Fourth angle is of 80 (given in question)
I hope this will help you
By devansh
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