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24 July, 09:14

Two sides of a triangle are marked as 10 and 7 units long. Write a whole number length that could work as the length of the 3rd side in the triangle.

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  1. 24 July, 09:25
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    18

    Step-by-step explanation:

    it is a fundamental principle that sum of any two sides must be greater than third side

    since sum of given sides is 10+7 = 17

    hence any number greater than 17 for example 18 can be third side but confirm it with other sides

    18 + 10 is greater than 7 also 18+7 is greater than 10

    hence other side can be 18
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