“Semicircle”的概念、定义、习题解题方法及翻译-数学辞典

单词

Semicircle

释义

Semicircle

Half a Circle. The Perimeter of the semicircle of Radius is

(1)

and the Area is

(2)

The weighted mean of

(3)

The Centroid is then given by

(4)

The semicircle is the Cross-Section of a Hemisphere for any Plane through the z-Axis.

See also Arbelos, Arc, Circle, Disk, Hemisphere, Lens, Right Angle, Salinon, Thales' Theorem, Yin-Yang

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