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Korea Junior Mathematics Olympiad
1998 Korea Junior Math Olympiad
5
5
Part of
1998 Korea Junior Math Olympiad
Problems
(1)
complex geometry? 2n-gon (KJMO 1998 P5)
Source: KJMO 1998 P5
6/30/2024
Regular
2
n
2n
2
n
-gon is inscribed in the unit circle. Find the sum of the squares of all sides and diagonal lengths in the
2
n
2n
2
n
-gon.
complex numbers
geometry