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23 December, 17:01

Hich three lengths could be the lengths of the sides of a triangle? A) 11 cm, 11 cm, 24 cm B) 18 cm, 12 cm, 9 cm C) 9 cm, 19 cm, 10 cm D) 4 cm, 7 cm, 23 cm

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  1. 23 December, 18:49
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    It’s a) because the triangle has 2 equal sides and one not
  2. 23 December, 19:01
    0
    By triangle inequality, the sum of any two sides must be greater than the third side.

    A is not correct because 11+11=22<24

    C is not correct because 9+10 = 19, not greater than 19

    D is not correct because 4+7=11<23

    Hence B is the answer
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