Special right triangles
Download
1 / 15

Special Right Triangles - PowerPoint PPT Presentation


  • 71 Views
  • Uploaded on

Special Right Triangles. Definition. Special Right Triangles – right triangles whose angle measures are 45 °-45°-90° or 30°-60°-90°. Get out a dollar bill if you have one!. What kind of triangle is this?

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' Special Right Triangles' - orlando-farrell


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

Definition
Definition

  • Special Right Triangles – right triangles whose angle measures are 45°-45°-90° or 30°-60°-90°.


Get out a dollar bill if you have one!

What kind of triangle is this?

If you split this triangle down the middle (top to bottom) what two triangles would you have?


Essential question
Essential Question

  • How do I find the side lengths of a 30-60-90 special right triangle?

  • How do I find the side lengths of a 45-45-90 special right triangle?


30 60 90 triangle theorem
30°-60°-90° Triangle Theorem


Find all side lengths for each triangle. Please draw the triangles on your paper.

1.

60º

18

3.

30º

30º

12

60º

2.

60º

20

30º


Warm up will be collected
Warm-Up (will be collected) triangles on your paper.

Find all side lengths for each triangle. Please draw the triangles on your paper and box your answers.

1.

60º

26

2.

30º

30º

83

3.

60º

30º

9

60º


45 45 90 triangle theorem
45 triangles on your paper. °-45°-90° Triangle Theorem


Example 1
Example 1 triangles on your paper.

  • Find the value of x.


You try
You Try! triangles on your paper.

  • Find the value of x.


Example 2
Example 2 triangles on your paper.

  • Find the value of x.


You try1
You Try! triangles on your paper.

  • Find the value of x.


Example 3
Example 3 triangles on your paper.

  • Find the values of s and t.


You try2
You Try! triangles on your paper.

  • Find the values of f and g.


ad