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9 November, 15:55

For the values a = 7.2 which is a leg of a right triangle, and value c = 11.1, which is the hypotenuse, find the length of the other leg, b, to the nearest tenth.

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  1. 9 November, 17:22
    0
    The answer is b=8.4
  2. 9 November, 17:59
    0
    Phythagoras theorem:

    hypotenuse²=leg₁²+leg₂²

    dа ta:

    leg₂=7.2

    hypotenuse=11.1

    Therefore:

    (11.1) ₂=leg₁² + (7.2) ²

    123.21=leg₁²+51.84

    leg₁²=123.21 - 51.84

    leg₁²=71.37

    leg¹=√ (71.37)

    leg₁=8.4

    Answer: b=8.4
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