\"\"

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The sides \"\".

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Find \"\".

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The angle is \"\".

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Draw a right triangle with \"\".

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\"The

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Pythagorean theorem : \"\".

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\"\"

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\"\"

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\"\"

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The triangle is called 3-4-5 right triangle.

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\"\"

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The value of \"\".

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The triangle is called 3-4-5 right triangle.