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5 November, 12:04

the length of one leg of an iscosceles right triangle is 3 ft. What is the perimeter of the triangle?

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  1. 5 November, 14:42
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    3 (2 + sqrt (2)) ft (exact)

    10.2 ft (3sf)

    Step-by-step explanation:

    Length of the hypotenuse:

    hypotenuse² = 3² + 3² = 18

    hypotenuse = sqrt (18) = 3sqrt (2)

    Perimeter = 2 (3) + 3sqrt (2)

    = 3 (2 + sqrt (2))

    = 10.2 (3sf)
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