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Balkan MO
2000 Balkan MO
3
3
Part of
2000 Balkan MO
Problems
(1)
Rectangles that can be cut from a 50x90 rectangle
Source: Balkan MO 2000, problem 3
4/24/2006
How many
1
×
10
2
1 \times 10\sqrt 2
1
×
10
2
rectangles can be cut from a
50
×
90
50\times 90
50
×
90
rectangle using cuts parallel to its edges?
geometry
rectangle
modular arithmetic