If a and b are parallel lines and m <3=128 degrees what is the measure of <8
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plz help
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To find the measure of angle 8, we need to use the properties of parallel lines and angles.
When a transversal intersects two parallel lines, alternate interior angles are congruent. In this case, angle 3 and angle 8 are alternate interior angles.
Given that m <3 = 128 degrees, we can conclude that angle 3 and angle 8 are congruent.
Therefore, the measure of angle 8 is also 128 degrees.
So, the correct answer is 128.