Alternate Exterior Angles Definition And Examples at Exterior

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Alternate Exterior Angles Definition And Examples. The alternate exterior angles are the opposing pair of exterior angles formed by the transversal and the two lines. When the two lines are parallel alternate exterior angles are equal.

Alternate Exterior Angles Definition & Theorem Video
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When a transversal intersects parallel lines, it creates an interior and exterior. The term alternate exterior angles is often used when two lines are cut by a third line, a transversal. The alternate exterior angles are the opposing pair of exterior angles formed by the transversal and the two lines.

Alternate Exterior Angles Definition & Theorem Video

In the above image, two pairs of alternate interior angles are ∠3 & ∠5 and ∠4 & ∠6. Two pairs of alternate exterior angles are ∠1 & ∠7, and ∠2 & ∠8. Also like with interior angles, the above exterior angles are equal when a transversal line crosses 2 parallel lines. Find the measures of angles 1, 2, and 4 below given that lines.