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Example 3
作者：
Walch Education
主題：
面積
Calculate the area of triangle
ABC
.
Note
: Drag the blue points to try different figures.
GeoGebra
最新資源
Tangent Plane to a Sphere
Export grapfics view
Portions of a Sphere
Thales' Intercept Theorem
Angle Bisector: Quick Warm Up Questions
探索資源
Automatic checking example - Construct a parallel line
Nested Crescents
Hyperbolic lines in Poincaré disk and Escher's works
Flower,Sascha,GER
探索主題
角度
Pythagoras or Pythagorean Theorem
不等邊三角形
算術
雙曲線