OpenStudy (anonymous):
Carlos draws a transversal, t, on two parallel lines AB and CD, as shown below. (Will show image) He makes the following table to prove that the alternate interior angles are equal (Will show chart) Which is the missing justification? A. Opposite interior angles are congruent when parallel lines are intersected by a transversal. B. Vertical angles formed by two intersecting segments are congruent. C. Adjacent angles formed by two intersecting segments are supplementary. D Opposite exterior angles are congruent when parallel lines are intersected by a transversal.
OpenStudy (anonymous):
OpenStudy (anonymous):
statement/justification angle 1 = angle 5 / Corresponding angles of parallel lines are congruent. angle 1 = angle 3 / ? angle 3 = angle 5 / transitive property of equality, angle 1 =angle 5, angle 1 = angle 3, therefore angle 3 = angle 5
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