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15 August, 14:29

The legs of a right triangle are 4 units and 7 units. What is the length of the hypotenuse?

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  1. 15 August, 15:05
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    Pythagoras theorem:

    hypotenuse²=leg₁²+leg₂²

    dа ta:

    leg₁=4 u

    leg₂=7 u

    Therefore:

    hypotenuse² = (4 u) ² + (7 u) ²

    hypotenuse²=16 u²+49 u²

    hypotenuse²=65 u²

    hypotenuse=√ (65 u²) ≈8.06 u

    Answer: the length of the hypotenuse is 8.06 u
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