Exterior Angles in Parallel Lines Worksheet

Two pairs of same-side exterior angles and alternate exterior angles are formed when parallel lines are cut by a transversal. This exclusive worksheet presents nine questions wherein the measure of an exterior angle is depicted, and another angle is indicated for practice. Apply the supplementary property of the same-side exterior angles and the congruent property of alternate exterior angles to find the measure of the indicated angle. Scroll down the PDF for the answer key.

This free worksheet caters to the students of grade 8 and grade 9.

CCSS: 8.G.5

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Worksheet 1