\"\"

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The points are  \"\" .

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Let the points be A \"\" , B \"\" , C \"\"

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Find the side lengths  AB , BC , CA . \ \

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Side length of the points A \"\" , B \"\" is

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\"\"

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\"\"

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Side length of the points B \"\" , C \"\" is \ \

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\"\"

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\"\"

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Side length of the points C \"\" , A \"\"  is

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\"\"

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\"\"

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\"\"

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Now verify the type of triangle.

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\"\"

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Hence it is a right angled triangle.

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\"\"

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The points \"\" form a right angled triangle .

\