In a pair of parallel lines cut by a transversal, if one of the interior angles

In a pair of parallel lines cut by a transversal, if one of the interior angles is 40 degrees, what is the measure of the adjacent interior angle?

In a pair of parallel lines cut by a transversal, if one of the interior angles is 40 degrees, what is the measure of the adjacent interior angle?

Step 1: Understand that parallel lines cut by a transversal create pairs of angles.
Step 2: Identify that interior angles on the same side of the transversal are called adjacent interior angles.
Step 3: Remember that adjacent interior angles are supplementary, meaning they add up to 180 degrees.
Step 4: Since one angle is 40 degrees, you can find the adjacent angle by subtracting 40 from 180.
Step 5: Calculate 180 - 40 = 140 degrees.
Step 6: Conclude that the measure of the adjacent interior angle is 140 degrees.

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