立體測量(2) 隔著河測對岸建築物高度
A,B,C,D四點皆可以移動,觀察圖形。
This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com
藍邦偉 老師, 製作軟體:
GeoGebra