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Using Angle Relationships

Grade 745 min

Learning Objective

I can use angle relationships (congruent and supplementary) to set up equations and solve for x.

Lesson Flow

Watch Video

5 min

PARALLEL LINES AND TRANSVERSALS | Find the Angle Measure | Geometry Online Lesson

Unknown Channel

Practice

14 min

7 questions • Short answer

Exit Ticket

5 min

“Two parallel lines are cut by a transversal. One angle is labeled (4x + 10)° and its corresponding angle is labeled 110°. Find the value of x. Two parallel lines are cut by a transversal. One angle is labeled (2x - 20)° and the angle next to it on the same side of the transversal is labeled 80°. Find the value of x. Two parallel lines are cut by a transversal. One angle is labeled 60° and its alternate interior angle is labeled (3x)°. Find the value of x.”

Teacher Guide

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  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts

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