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Chinese
Spread Angle Theorem in E
n
and Its Application
Key Words
:
simplex
spread angle theorem
identity
Safta′s conjecture
Fund Project
:
Author Name
Affiliation
Zhang Hanfang
Dept. of Math.
Xuzhou Normal Univ.
Jiangsu 221009
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:
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:
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Abstract
:
In this paper,we use the volume formula of simplex,obtain the spread angle theorem in the n-dimensional Euclideam space E
n
,thus proving some identities for a simplex and obtaining a sharpening form of Safta′s conjecture in E
n
.
Citation:
DOI
:
10.3770/j.issn:1000-341X.1999.01.016
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