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? asked in Science & MathematicsMathematics · 4 years ago

Geometry help?

Find the height of a Rectangular solid with diagonal 15 rt.2, length 15, and width 9.

1 Answer

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  • ?
    Lv 7
    4 years ago

    　

    15² + 9² + h² = (15√2)²

    225 + 81 + h² = 450

    h² = 144

    h = 12

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