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18 February, 12:30

In triangle JKL, the length of side JK is 12 feet, and the length of side KL is 15 feet. What is the length of side JL?

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  1. 18 February, 12:38
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    Length of side JL = 9ft

    Step-by-step explanation:

    Triangle JKL is a right angle triangle where side kl = hypotenuse = 15ft

    And side jk = opposite = 12 ft

    We are looking for side JL = adjacent

    According to Pythagoras theorem

    A² = B² + C²

    15² = 12² + C²

    225 = 144 + C²

    225-144 = C²

    81 = C²

    9 = C

    Length of side JL = 9ft
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