英语词汇“apothem”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

apothem

/ˈapəθɛm

noun Geometry

A line from the centre of a regular polygon at right angles to any of its sides.Given a circle, the apothem is the perpendicular distance from the midpoint of a chord to the circle's center....

Once the perimeter and the apothem are known, the formula relating the two to area can be used to solve for the area.
For a polygon of n sides, there are n possible apothems, all the same length of course.

Origin

Late 19th century: from Greek apotithenai 'put aside, deposit', from apo 'away' + tithenai 'to place'.

单词	apothem
释义	apothem /ˈapəθɛm / noun Geometry A line from the centre of a regular polygon at right angles to any of its sides.Given a circle, the apothem is the perpendicular distance from the midpoint of a chord to the circle's center.... Once the perimeter and the apothem are known, the formula relating the two to area can be used to solve for the area. For a polygon of n sides, there are n possible apothems, all the same length of course. Origin Late 19th century: from Greek apotithenai 'put aside, deposit', from apo 'away' + tithenai 'to place'.
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