英數兩全字詞教學

41   外接圓 Circumcircle

1. circumcircle   外接圓

2. circumcenter   外心

3. circumradius   外接圓半徑

4. inscribed polygon   內接多邊形

5. circumscribed circle   外接圓

6. qualitative descriptions   定性描述

7. quantitative descriptions   定量描述

8. the side-angle relationships   三角形邊角關係

9. opposite angles are supplementary   對角互補

10. the circle that passes through all the vertices of a polygon   通過多邊形所有頂點的圓

11. cut the circle into congruent circular arcs   將圓分割成相等的弧

12. the intersection of the perpendicular bisectors of any two sides   任兩邊中垂線的交點

13. Vertices of a regular polygon are concyclic points.   正多邊形的頂點必然共圓。

14. In any triangle, the greater side subtends the greater angle.   三角形的大邊對大角。

15. The ratio of a side of a triangle to the sine of its opposite angle is a constant. The constant is the diameter of the triangle’s circumcircle.   邊長與其對角之正弦的比值為常數，此常數為三角形外接圓的直徑。