Alternate Exterior Angles Theorem Proof
M 1 m 8 180.
Alternate exterior angles theorem proof. Given the need for a 2. Consecutive interior angles converse 5. The Alternate Exterior Angles Theorem states that if a pair of parallel lines are cut by a transversal then the alternate exterior angles are congruent.
________ by the Vertical Angles Theorem. When two lines are parallel the transversal creates congruent alternate exterior angles. 1 7 and 4 6.
In this case angles 1 and 8 are alternate exterior angles and therefore angle 1 is also 120 degrees. Alternate exterior angles theorem. Alternate Interior Angles Theorem.
Write a proof of alternative external angles Theorem 2 STATEMENTSOnsoni 1. Find x so that m n. Solve for all variables.
Identify the postulate or theorem you used. M 5 m 8 180. Use alternate exterior angle theorem to prove that line 1 and 2 are parallel lines.
4x 19 3x 16. If a transversal intersects two lines and the alternate. These pdf worksheets offer ample practice in finding one of the angles in an interior angle pair.