Calculating Angle Measures
Grade 9th Grade · Math · 45 min
What's Included
Learning Objective
I can calculate angle measures using the same side interior angle theorem.
Warm-Up Video
Kayla Jones · 3:12
Same Side Interior Angles
Guided Notes
3 key concepts
- 1
Same side interior angles are located on the inside of two parallel lines and on the same side of the transversal.
- 2
Same side interior angles add up to 180 degrees.
- 3
To solve for a missing angle or variable, set up an equation where the sum of the two same side interior angles equals 180 and then solve the equation.
Practice Questions
11 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Two parallel lines are cut by a transversal. Two interior angles on the same side of the transversal measure 110° and (5x + 10)°. Solve for x.”
Complete Lesson Package
Get all 3 ready-to-use resources:
Teacher Guide
Student Doc
Slides
