trigonometry-lesson-3-45-45-90-special-right-triangles

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Trig lesson 3 45 45 90 Special right triangles

Video Guide

0:22 Overview of the special patterns of a 45 45 90 Triangle

1:13 Overview of the patterns of a 45 45 90 special triangle with special attention on the hypotenuse

2:18 Given a leg label the other leg and find the hypotenuse

3:01 Given the hypotenuse find the other leg lengths

4:22 Your turn problems

Number 1 Find leg and the hypotenuse of a special right triangle

5:15 Solved number 3 Finding the leg of a 45 45 90 triangle

6:34 Solve practice problem 2

7:23 Number 6 Given the hypotenuse find the legs in a 45 45 90 triangle

908 Find the area of a square given the diagonal. The diagonal divides the square into two 45 45 90 triangles which can be used to find the area of the square.

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Tagged under: geometry,moomoomath,geometry lesson,Triangle (Mathematical Concept),45 45 90 special triangle,Trigonometry (Concepts/Theories),Trig,geometry ,geometric shapes,math ,Moomoomath,Trigonometry (Field Of Study),Special Right Triangles

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