Lines j and k are parallel if the marked angles are supplementary. Subtract 115 from each side. Divide each side by 5. ANSWER ▶ So, if x 5 13, then j i k.

Question 1: Write down the sizes of the lettered angles. (a). (b). (c). (d). (e). (f). Question 2: (a) Which angle is corresponding to angle c?

If two lines are cut by a transversal so that alternate interior angles are congruent, then the lines are parallel.

16 дек. 2014 г. · An auxillarv line is a new parallel line that can help us find unknown angles. Steps. 1. Draw an auxiliary line lhrough the unknown angle. 2 ...

If two lines are cut by a transversal so that a pair of same-side interior angles are supplementary, then the lines are parallel. Converse of the Alternate ...

REASONS: A. If corresponding angles are congruent, then lines are parallel. B. If alternate interior angles are congruent, then lines are parallel.

☐ (4) Angles: Proving that lines are parallel. ☐ (a) Prove that lines are parallel or explain why it is not possible. I know that ...

Read each question carefully before you begin answering it. 2. Donʼt spend too long on one question. 3. Attempt every question.

Find the measure of the indicated angle that makes lines u and v parallel. 1) u v ? 130°. 2).

9. If the lines are cut by a transversal so that (alternate interior, alternate exterior, corresponding) angles are congruent, then the lines are parallel.