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題 7
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
美國國旗 (Codex 版)
近似值：有效數字
長方體平面投影 (Codex版)
拼砌四邊形
Discover Resources
邊長與三角形（一）
幾何變換
三角形的外心軌跡
國旗會動
circle1
Discover Topics
General Quadrilateral
Unit Circle
Limits
Median Value
Kite