Geom-ber Theory!

Geometry Level 3

Consider a triangle of integer side lengths with integer perimeter. Can there exist a number of distinct possible integer triangles with the same perimeter that is exactly 9 k 2 9k^2 , where k k is strictly positive integer?


Inspiration.

Yes, it is possible. No, never.

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1 solution

Vilakshan Gupta
Sep 28, 2019

One triangle can be taken as ( 3 k 2 , 3 k 2 , 3 k 2 ) (3k^2,3k^2,3k^2) as side lengths and other triangle can be taken as ( 2 k 2 , 3 k 2 , 4 k 2 ) (2k^2,3k^2,4k^2) as side lengths.

This clearly satisfies the given condition.

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