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26 March, 00:29

Which of the following could not be the lengths of the sides of a right angled triangle?

A. 3, 4, 5

B. 5, 12, 13

C. 8, 15, 17

D. 12, 15, 18

E. 9, 12, 15

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Answers (2)
  1. 26 March, 00:34
    0
    D. Because of the Pythagorean Theorem that says

    a^2+b^2=c^2

    12^2+15^2=18^2

    144+225=324

    369=324

    This statement is false, so tees can't be the sides of a right triangle.
  2. 26 March, 00:54
    0
    12^2 + 15^=18^

    144+225=324

    Add 144 to 225 = 369

    369=324

    Divide 369 to 324 = 1.13888889

    1.13 is your answer

    D is a false statement
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