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Special right triangles

Author: Jonathan Heeren

Special Right triangles

Please copy down these notes into your notebook for points.

Special Right triangles

Video created by Mr. Heeren on special right triangles

Source: http://www.educreations.com/lesson/view/special-right-triangles/16047140/?ref=link

30-60-90

this is a proof of how the rule for 30-60-90 triangles work

Source: https://www.khanacademy.org/math/geometry/right_triangles_topic/special_right_triangles/v/30-60-90-triangle-side-ratios-proof

45-45-90 Triangle

This is a video on how 45-45-90 triangles work.

Source: https://www.khanacademy.org/math/geometry/right_triangles_topic/special_right_triangles/v/45-45-90-triangle-side-ratios

Examples of 45-45-90

This video shows some examples of 45-45-90 triangles (OPTIONAL BUT HELPFUL)

Source: http://www.youtube.com/watch?v=BkcH_xvh9pA

Solving Special Right Triangles

Special Right Triangles with rationalizing

Special Right Triangles Situations