| 释义 |
Definition of apothem in English: apothemnounˈapəθɛmˈæpəˌθɛm Geometry A line from the centre of a regular polygon at right angles to any of its sides. Example sentencesExamples - Given a circle, the apothem is the perpendicular distance from the midpoint of a chord to the circle's center.
- In a regular polygon, we have an apothem, a number and a length of sides which do not belong to the base class shape.
- For a polygon of n sides, there are n possible apothems, all the same length of course.
- We can find the apothem from the side length and the number of sides.
- Once the perimeter and the apothem are known, the formula relating the two to area can be used to solve for the area.
Origin Late 19th century: from Greek apotithenai 'put aside, deposit', from apo 'away' + tithenai 'to place'. Definition of apothem in US English: apothemnounˈapəˌTHemˈæpəˌθɛm Geometry A line from the center of a regular polygon at right angles to any of its sides. Example sentencesExamples - For a polygon of n sides, there are n possible apothems, all the same length of course.
- 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.
- We can find the apothem from the side length and the number of sides.
- In a regular polygon, we have an apothem, a number and a length of sides which do not belong to the base class shape.
Origin Late 19th century: from Greek apotithenai ‘put aside, deposit’, from apo ‘away’ + tithenai ‘to place’. |