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22 October, 14:48

20*20+b*b=25*25 ...

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  1. 22 October, 14:52
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    b = 15

    Step-by-step explanation:

    20*20+b*b=25*25

    400 + b² = 625

    b² = 625 - 400

    b² = 225

    √b² = √225

    b = 15
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