if two interior angles on the same side of the transversal intersecting two parallel lines are in the ratio 4 is to 5 find the measure of the two angles
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sum of interior angle=180
4x+5x=180
9x =180
x= 180÷9
x=20
5x=100
4x=80
4x+5x=180
9x =180
x= 180÷9
x=20
5x=100
4x=80
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