How to Work with 30-60-90 and 45-45-90 Degree Triangles - dummies

Learn your way around two of the most common right triangles in mathematic equations: 30-60-90 triangles and 45-45-90 degree triangles.

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Special Right Triangles: 30 - 60 90 and 45 - 45 -90 Triangles

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