The following figure shows a quadrilateral in which sides AB and DC ar

1.	The following figure shows a quadrilateral in which sides AB and DC are parallel. If ∠A:∠D=4:5, ∠B=(3x−15)o and ∠C=(4x+20)o, find each angle of the quadrilateral ABCD.
Answer» The following figure shows a quadrilateral in which sides AB and DC are parallel. If $∠ A : ∠ D = 4 : 5, ∠ B = (3 x - 15)^{o} a n d ∠ C = (4 x + 20)^{o}$ , find each angle of the quadrilateral ABCD.

The following figure shows a quadrilateral in which sides AB and DC are parallel. If ∠A:∠D=4:5, ∠B=(3x−15)o and ∠C=(4x+20)o, find each angle of the quadrilateral ABCD.

Answer»

The following figure shows a quadrilateral in which sides AB and DC are parallel. If $∠ A : ∠ D = 4 : 5, ∠ B = (3 x - 15)^{o} a n d ∠ C = (4 x + 20)^{o}$ , find each angle of the quadrilateral ABCD.

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The following figure shows a quadrilateral in which sides AB and DC are parallel. If ∠A:∠D=4:5, ∠B=(3x−15)o and ∠C=(4x+20)o, find each angle of the quadrilateral ABCD.

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