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DSE Circle-ACT04 Cyclic Quadrilaterals
Author:
MrWat@SFCC(HK)
Topic:
Angles
,
Circle
,
Mathematics
GeoGebra
1. Where are these 4 angles? 2. What is the relationship between these 4 angles in a cyclic quadrilateral?
New Resources
【案例】2018年全国1卷理科12题
第八周作业
異分母分數減法
找出對稱軸
算柱 (兩位數)
Discover Resources
圖三
圆的面积 - 洋葱法
角平分线的性质
異分母分數加法
congruent triangles
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