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3 June, 17:31

A triangle has two sides of length 9 and 19. what is the smallest possible whole-number length for the third side?

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  1. 3 June, 17:53
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    11

    Step-by-step explanation:

    The sum of any 2 sides must be greater than than the third side.

    The possible values for the third side are

    19 - 9 < x < 19 + 9 (x is the third side)

    10 < x < 28

    Thus the smallest possible whole number is 11
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