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22 September, 14:04

Find the lenght of the hypontenuse of a right triangle with legs of 9 cm and 12 cm.

(a) 8 cm

(b) 21 cm

(c) 15 cm

(d) 225 cm

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  1. 22 September, 14:29
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    The length of the hypotenuse is C. 15.

    Step-by-step explanation:

    Use the Pythagorean theorem. a^2 + b^2 = c^2

    9^2 = 81

    12^2 = 144

    81 + 144 = 225

    The square root of 225 is 15; 15^2.
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