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20 October, 10:21

If m∠C = 90°, side c = 29, and side a = 21, then side b = ___.

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  1. 20 October, 10:28
    0
    Phytagoras

    b = squareroot (29^2 - 21^2)

    b = squareroot (841-441)

    b = squareroot 400

    b = 20
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