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4 November, 07:16

A triangle with sides lengths 7, 9 and 11 is a right triangle. true or false

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Answers (2)
  1. 4 November, 07:46
    0
    You can check whether this is true using Pythagoras' Theorem. The Pythagorean Theorem:

    a² + b² = c², where c is the hypotenuse of a right triangle.

    Let's plug in the given values and check the validity of the statement.

    a² + b² = c²

    7² + 9² = 11²

    49 + 81 = 121

    130 = 121

    This is false. Thus,

    Answer:

    False - a triangle with side lengths 7, 9, and 11 is not a right triangle.
  2. 4 November, 07:48
    0
    Answer is False.

    You can check by doing a^2 + b^2 = C^2

    (7) ^2 + (9) ^2 = (11) ^2

    49 + 81 = 121

    130 = 121

    This is not a true statement, which makes it false. This is a triangle, but not a right one.
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