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角錐台 (かくすいだい) Japanese meaning | Kotomora

角かく錐すい台だい

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だ

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Meanings

1

truncated pyramid

A geometric solid formed by cutting off the top of a pyramid with a plane parallel to the base. Used in mathematics and technical contexts.

角かく錐すい台だいの体たい積せきを求もとめる公こう式しきを覚おぼえていますか

。

Do you remember the formula for finding the volume of a truncated pyramid?

Kanji

角angle, corner, square
錐auger, drill, awl
台pedestal, a stand, counter for machines and vehicles

Related words

角かく錐すい
角錐 is a full pyramid, while 角錐台 is a truncated pyramid with the top cut off.
円えん錐すい台だい
円錐台 is a truncated cone, the circular counterpart of 角錐台.

Built from

角かく錐すい+台だい

Etymology

Compound of 角錐 (pyramid) and 台 (platform, base), referring to the shape formed by cutting off the top of a pyramid.