This page has a video tutorial of the geometric mean
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Nutshell Math
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This site explains, in a very straight forward manner, the meaning of the geometric mean of two numbers, the Right Triangle Similarity Theorem, and the corollaries associated with it. There are also easy to follow, worked examples of each theorem.
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Regents Exam Prep
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A discussion of when to use the different means.
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Ask Dr. Math
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A discussion of a problem using the geometric mean to find a missing number in a sequence.
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Ask Dr. Math
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A discussion of the difference between and applications of the two.
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Ask Dr. Math
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A discussion of the definition and application of the geometric mean.
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Ask Dr. Math
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This site gives a brief description of geometric mean and shows an interactive example of the material.
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Math Warehouse
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Provides the general formula for figuring the geometric mean of a set of numbers. Includes a simple example.
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EasyCalculation.com
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This gives step by step instructions on dividing a line segment into extreme and mean ratios includes a JavaSketchpad for interaction.
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To divide a given line segment into extreme and mean ratio.
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