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11 December, 09:31

Determine if the given sides are a triangle or not

A. 21 cm, 7 cm, 6 cm

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  1. 11 December, 09:57
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    This is not a triangle

    Step-by-step explanation:

    If you use the triangle inequality theorem you can reach your answer.

    The theorem states that if you add the length of any 2 sides together, you will have a length greater than the length of the other side. Using this method we can easily see that 7+6=13 which is less than 21. Meaning this is not a triangle
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