| 单词 | apothem |
| 释义 | apothem in British English (ˈæpəˌθɛm) noun the perpendicular line or distance from the centre of a regular polygon to any of its sides Word origin C20: from apo- + Greek thema, from tithenai to placeapothem in American English (ˈæpəˌθɛm) noun Ancient Mathematics the perpendicular from the center of a regular polygon to any one of its sides Word origin ModL < apo- + Gr thema, that which is placed: see theme |
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