Lesson 22 — Triangles

In this lesson, you will:

  • learn about and identify acute, obtuse, and right-angled triangles
  • practise measuring and drawing acute and obtuse triangles

You will learn about 3 different kinds of triangles in this lesson.
Image courtesy of www.imagesgoogle.com

Key Terms for this lesson:

  • acute triangle
  • obtuse triangle
  • right-angled triangle