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18 May, 03:58

A right triangle has legs with lengths 20 cm and 21 cm.

What is the length of the hypotenuse?

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  1. 18 May, 04:03
    0
    C²=a²+b²

    c²=20²+21²=400+441=841

    c²=841

    c=√841

    c=29

    Answer: 29 cm
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