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45 45 90 Triangle
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This video will go over all the scenario's of finding the missing length of a 45 45 90 triangle. This only works for a special right triangle in Geometry called the 45 45 90.
If we represent the legs of an isosceles right triangle by 1, we can use the Pythagorean Theorem to establish pattern relationships between the lengths of the legs and the hypotenuse. These relationships will be stated as "short cut formulas" that will allow us to quickly arrive at answers regarding side lengths without applying trigonometric functions, or other means.
Shortcut Formulas to remember
Legs of a triangle = a
Hypotenuse = a*root(2)
The 3 examples of the video are broken down below.
Intro 0:00
Example 1 Given 1 leg: 0:39
Example 2 Given a hypotenuse: 1:32
Example 3 Working with radicals: 3:34
If you have any video request, please feel free to message me on Facebook or Youtube and I will create a free video for you.
If we represent the legs of an isosceles right triangle by 1, we can use the Pythagorean Theorem to establish pattern relationships between the lengths of the legs and the hypotenuse. These relationships will be stated as "short cut formulas" that will allow us to quickly arrive at answers regarding side lengths without applying trigonometric functions, or other means.
Shortcut Formulas to remember
Legs of a triangle = a
Hypotenuse = a*root(2)
The 3 examples of the video are broken down below.
Intro 0:00
Example 1 Given 1 leg: 0:39
Example 2 Given a hypotenuse: 1:32
Example 3 Working with radicals: 3:34
If you have any video request, please feel free to message me on Facebook or Youtube and I will create a free video for you.
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