Lexell's Theorem Via an Inscribed Angle Theorem
Lexell's Theorem Via an Inscribed Angle Theorem
复制标题
通过内接角定理的莱克塞尔定理
DOI:
10.1080/00029890.1999.12005052
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发表时间:
1999
影响因子:
0.5
通讯作者:
H. Maehara
中科院分区:
文献类型:
--
作者:
H. Maehara
Theorem 2 (Lexell). Let ABC be a spherical triangle on the unit sphere, and let?? be the hemisphere bounded by the great circle AB and containing C. Then the locus of the point X E? l'satisfying IABXI= IABCI is the circular arc A* CB*, where A*, B* are the antipodal points of A, B, respectively.