Lesson: Special Right Triangles | Nagwa Lesson: Special Right Triangles | Nagwa

Lesson: Special Right Triangles Mathematics

In this lesson, we will learn how to find lengths in 30-60-90-degree and in 45-45-90-degree triangles without trigonometry.

Lesson Plan

Students will be able to

  • understand the relationships between the side lengths in 30-60-90 and 45-45-90 triangles,
  • find missing sides and perimeters in 30-60-90 and 45-45-90 triangles without using trigonometry.

Lesson Video

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15:58

Lesson Playlist

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