45-45-90 Triangles. Geometry-Triangles
Description
In this video we'll learn about the special things that happen in the specific instance of a 45-45-90 triangle, which is a triangle whose three interior angles are 45 degrees, 45 degrees, and 90 degrees. This triangle, by definition, is an isosceles triangle, and it's one half of a square, split on the square's diagonal.
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10 min 53 sec
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