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Mathematics 10 Online
OpenStudy (anonymous):

A triangle has the following measurements. What is a possible length for the third side? AB = 4, BC = 17, CA = ?

OpenStudy (anonymous):

CA must be between 17-4 and 17+4, both not inclusive. So 13 < CA < 21

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

sum of any 2 sides of triangle must be greater than the 3rd side CA < 17 + 4 and CA > 17-4 so CA < 21 and CA > 13 so 13<CA<21

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