Google Classroom

GeoGebra Classroom

∆ABD 面積 = ?

Author:羅驥韡 (Pegasus Roe)

Topic:Area, Triangles

如圖：∆ABC 面積 = 8, ∆ACE 面積 = 7, ∆CDE 面積 = 9, 求 ∆ABD 面積 = ？答案：不一定！

New Resources

Discover Resources

Discover Topics