45-45-90 triangles | Right triangles and trigonometry | Geometry | Khan Academy - Free Educational videos for Students in k-12


45-45-90 triangles | Right triangles and trigonometry | Geometry | Khan Academy - By Khan Academy



DESCRIPTION:

Video uses an electronic black board with different colored pens. Introduction to 45-45-90 Triangles, these can also be called right triangles because of the 90 degree measurement. These triangles are special because if two angles of a triangle are equal the one side they don’t share is going to be equal. This then goes on to explain Pythagorean Theorem, Side A squared + Side B squared = Side C squared, side C is the hypotenuse or the side that is shared in a triangle. The narrator goes on to explain how to solve, using square roots. This video is for middle school students.

OVERVIEW:

45-45-90 triangles | Right triangles and trigonometry | Geometry | Khan Academy is a free educational video by Khan Academy.It helps students in grades 9,10,11,12 practice the following standards HSG.SRT.C.6.

This page not only allows students and teachers view 45-45-90 triangles | Right triangles and trigonometry | Geometry | Khan Academy but also find engaging Sample Questions, Apps, Pins, Worksheets, Books related to the following topics.

1. HSG.SRT.C.6 : Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles.


GRADES:

9
10
11
12


STANDARDS:

HSG.SRT.C.6

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