Google Classroom
Google Classroom
GeoGebra
GeoGebra Lesson
Sign in
Search
Google Classroom
Google Classroom
GeoGebra
GeoGebra Lesson
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Area of triangle using 0.5bs sinA
Author:
Pong Hai Lin
GeoGebra
New Resources
畫出對稱圖形
美國國旗 (Codex, 2026.10.06)
世界平面地圖 (Codex╱2026.10.07)
近似值：有效數字
四邊形的特性
Discover Resources
方格紙上畫平行四邊形1
Lab 3 Task 8: Regular Pentagon Construction
生日悖論
題四
滑杆的數字接力賽-平移旋轉三角形填滿四邊形(加邊框)
Discover Topics
Probability
Conic Sections
Scalene Triangles
Parabola
Translation