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4 December, 01:58

the hypotenuse of a right triangle is 7 cm and the one of leg is 13 inches. find the length of the other leg

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  1. 4 December, 05:56
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    Assuming x represents the length of the first side.

    Use Pythagorean theorem to solve: a^2 + b^2 = c^2

    Solve the quadratic equation using the quadratic formula.

    At the end, you will get side lengths of # (-14 ± 34) / 4, or - 12 and 5

    SInce a negative triangle length is impossible, 5 is the value of x and 5 + 7 is the value of x + 7, which makes 12.

    The formula for area of a right triangle is A = B H/2

    After doing your work you should get. 30cm^2
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