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Given two sides of a triangle, find a range of possible lengths for the third side.

Given Two Sides Of A Triangle Find A Range Of Possible Lengths For The Third Side class=

Answer :

Using the triangle inequality theorem,

b - a < X < a + b

Hence,

17 - 4 < x < 17 + 4

13 < x < 21

Hence, the third side lies between 13cm and 21 cm

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