Lesson 19: Measuring Angles


In this lesson, you will:

  • estimate the measurements of angles
  • measure and draw angles


*Note: You will need a protractor for Lesson 19. Please arrange to have a protractor available, or if you do not have one, you can download a paper version in L19 — A3.

Key Terms for this lesson:

  • angle
  • acute angle
  • obtuse angle
  • right angle
  • straight angle
  • reflex angle
  • protractor
  • vertex

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