# Two adjecent angles of a paralleogram are the ratio 4:5 find the measure of each of its angles

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Sum of ratios = 9

therefore smaller angle=angleA = 4/9*180=80degrees

larger angle =angleB= 5/9*180degree= 100degrees

Therefore, angleA=angleC= 80 degrees

angleB=angleC= 100degrees.

(In a parallelogram, opposite angles are equal.)