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Two straight lines are cut by a transversal so that the co-interior angles are equal. The measure of each interior angle to make the straight lines parallel to each other is



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Thanvi29

Answer:

90 degrees

Step-by-step explanation:

here, 1 and 2 are examples of co - interior angles.

Co - interior angles are always supplementary.

given that co-interior angles in this case are equal.

hence, angle 1 = angle 2 = x

x + x = 180 (Co-interior angles are supplementary)

=> 2x = 180

=> x = 180/2

=> x = 90

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