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How to: determine if the side lengths could form a triangle. use an inequality to prove your answer

How To Determine If The Side Lengths Could Form A Triangle Use An Inequality To Prove Your Answer class=

Sagot :

We need to simply use the triangle inequality Theorem, This theorem state that the sum of the two side lengths of a triangle must always be greater than the third side.

Now let's check from the given lengths

16 + 21 = 37 and 37 is less than 39 which is the third side

Hence, it cannot form a triangle

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