I.2

Find Angles with Parallel Lines

Use the angle pairs of a transversal to find missing angles: equal or adding to 180°.

Level
Medium
Problems
Daniel Math Academy · Grade 8 Math

Find Angles with Parallel Lines

Skill I.2 · Parallel lines & transversals · ★★☆ Medium

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Date
 
Score/ 6

The two lines are parallel. Find each missing angle.

Example
65°?
? =

Think: Corresponding angles are equal when the lines are parallel. Same-side interior angles add to .

  1. 1
    ?65°
    ? = 
  2. 2
    ?140°
    ? = 
  3. 3
    145°?
    ? = 
  4. 4
    55°?
    ? = 
  5. 5
    75°?
    ? = 
  6. 6
    70°?
    ? = 
Daniel Math Academy · danielmath.comWorksheet #i5vsnsy · Page 1 / 2
Daniel Math Academy · Grade 8 Math

Answer Key

I.2 Find Angles with Parallel Lines · ★★☆ Medium

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Daniel Math Academy · danielmath.comWorksheet #i5vsnsy · Answer Key · Page 2 / 2