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8 May, 00:47

What is the length of a diagonal of a cube with a side length of 10 cm?

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  1. 8 May, 03:24
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    Well, since it is a cube, we know the length of all the sides of 10 cm, so we can create a triangle using the sides of a square and use pythagorean theorem

    A²+B²=C²

    C being the hypotenuse, or the diagonal we are looking for, so 10²+10² = 200

    Then we square root to find C, so √200 = 14.14213562
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