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9 September, 12:33

A right triangle has a hypotenuse c = 12.6 and a leg b = 8.5. What is the approximate length of leg a? A. 9.3 B. 15.2 C. 10.2 D. 8.4

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  1. 9 September, 12:44
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    A^2 + b^2 = c^2 ... a and b are the legs and c is the hypotenuse

    a^2 + 8.5^2 = 12.6^2

    a^2 + 72.25 = 158.76

    a^2 = 158.76 - 72.25

    a^2 = 86.51

    a = sq rt 86.51

    a = 9.3 ... so leg a is 9.3
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