DSE Circle-ACT03B Relationship Between Chords and Angles at Centre

주제:각, 원

1. You can change the lengths of chords AB and CD by moving points A, B, C and D. 2. Observe the changes of the sizes of the angles at centre. Draw a conclusion if you can.

새 자료

兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
画直线等分三角形的面积
找出對稱軸
【案例】圆柱体内放置一个大球六个小球

자료 찾기

自動調整切割數的積分
第三冊2-2習題12
六角柱(可側轉、上下轉)
圓上的角任務(二): 提示卡
兩組對邊相等和有直角的四邊形

주제 찾기

산술 조작
대칭
직각삼각형
방정식
평면 도형