Mathematical and Physical Journal
for High Schools
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Problem C. 1357. (May 2016)

C. 1357. Sophie had a rectangular prism with a square base and one edge is 3 cm longer than the other edge. She told Greg the surface area of the prism. Given that the lengths of the edges in centimetres are integers, Greg was able to find out the lengths of the edges. How long are the edges?

(5 pont)

Deadline expired on June 10, 2016.


64 students sent a solution.
5 points:52 students.
3 points:5 students.
2 points:4 students.
0 point:3 students.

Problems in Mathematics of KöMaL, May 2016