Special Right Triangles – 45 45 90 – Trigonometry & Geometry | SAT Math

This video tutorial provides a basic introduction into 45-45-90 right triangles and explains how to use this special reference triangle to find the value of the missing sides of another triangle. This information is useful for students taking trigonometry or geometry in high school and college and for those studying the sat math and act math sections. This video contains plenty of examples and practice problems.

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Polygons:

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Points, Lines, Planes, & Segments:

Similar Triangles:

Pythagorean Theorem:

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The Distance Formula:

Distance Between 2 Points – 3D:

Special Right Triangles – 30 60 90:

Trigonometric Ratios:

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Angle of Elevation Word Problems:

Finding The Missing Side of a triangle:

Finding The Missing Angle of a Triangle:

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How To Find the Area of a Rectangle:

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