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10 September, 13:15

The hypotenuse of a 45°-45°-90° triangle measures 18 cm. What is the length of one leg of the triangle?

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  1. 10 September, 13:21
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    Special prpoerty of 45-45-90 triangle

    if the legs are x then the hyptonuse is x√2

    18=hyptonuse=x√2

    18=x√2

    divide both sides by √2

    18/√2

    make denomenator nice

    times by √2/√2

    (18√2) / (2)

    9√2

    one leg is 9√2 cm
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