the angles for quadrilaterals are in the ratio 4:6:7:13 find all the angles of the quadrilaterals
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angles of a quadrilateral 3:4:4:7
sum of angles in a quadrilateral =360 ∘
let the angles be 3x,4x,4x and 7x.
then, sum 360
3x+4x+4x+7x=360
18x=360
x=20
3x=60,4x=80,7x=140
∴ the angle of quadrilateral are 60∘ ,80 ∘ ,80 ∘ and 140 ∘