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Poland Contests
Polish MO Finals
1979 Polish MO Finals
5
5
Part of
1979 Polish MO Finals
Problems
(1)
product of the sides of cyclic quadrilateral
Source: Polish MO Finals 1979 p5
8/24/2024
Prove that the product of the sides of a quadrilateral inscribed in a circle with radius
1
1
1
does not exceed
4
4
4
.
geometry
cyclic quadrilateral
Geometric Inequalities