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Area of triangle with different base
Author:
Pong Hai Lin
Topic:
Area
,
Straight Lines
GeoGebra
New Resources
四邊形的特性
三位數除以一位數（二）
球體建築師
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
Discover Resources
高中二年級平面向量
Demo 1
VV圓
內外切圓性質
三角形的五心
Discover Topics
Vectors
Similar Triangles
Tangent Function
Trapezoid
Ratios