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In triangle ABC, AB = 3 and BC = 5. Find the number of possible integer values of CA. (not including degenerate triangles)

 Feb 27, 2021
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Triangle side length rule    sum of two side must be greater than third side

 

(3+x) > 5        x >2

 

5+x > 3          x  anyhting

 

5+3 > x

                   x < 8              values of x can be    3   4  5  6  7        5 possible integer values

 Feb 27, 2021

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