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8 July, 03:31

Hermina cut a 10" by 20" piece of cardboard down the diagonal. What is the length c of the cut, in inches?

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  1. 8 July, 04:00
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    22.360679775 in

    Step-by-step explanation:

    a squared plus b squared = c squared

    10 x 10 = 100

    20 x 20 = 400

    500 = c squared

    22.360679775 = c
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