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A triangle has two sides that measure 12 meters and 3 meters. Which could be the measure of the third side? A. 17 m B. 15 m C. 10 m D. 9 m

User Choobablue
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2 Answers

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For any possible triangle, the sum of any two sides must be greater than the third side. In this case the third side must be less than 12+3=15

So only C (10) and D (9) are less than 15 and are the only possible side lengths given your options.
User Bretterer
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6 votes
C. 10 m

That is the correct answer.
A triangle has two sides that measure 12 meters and 3 meters. Which could be the measure-example-1
User Magnotta
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