Geometry:Circlesand Circumference  

出　　处：《中学生数学》2021年第20期F0003-F0003,共1页

摘　　要：When am I ever going to use this?I he I.ondon EyeFerris wheel measures 450 feet across.1.Which point appears to be the center of the Ferris wheel?2.Is t he distance fromG to F greater tha n.less l han•or ctjual to the distance from G to J?Acircle is the set of all points in a plane that are the same distance from a given point,called the center.

关 键 词：center. circle PLANE 

分 类 号：O17[理学—数学]