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基本圖形面積
Area of Triangle_1
Area of Parallelogram
Area of Triangle_2
Area of trapezoid
基本圖形面積
Author:
jack1012
基本圖形包含平行四邊形、三角形、梯形
Area of Triangle_1
Area of Parallelogram
Area of Triangle_2
Area of trapezoid
Next
Area of Triangle_1
New Resources
【案例】2013年安徽高考15题
垂直線的斜率
平行線的斜率
球体的体积推导
三位數除以一位數（一）
Discover Resources
滾出直線之3
CalCulus
與三個半圓相切的圓
多边形绕圆滚动
颜畅和完成的图像1
Discover Topics
Trapezoid
Combinatorics
Coordinates
Linear Equations
Right Triangles
