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Area_triangle
Author:
TAM Chi Leung
GeoGebra
New Resources
Rotating Points (Optical Illusion)
Introduction
Drag that Point!
Isosceles Triangle: Quick Construction
Angles and Intersecting Lines: Quick Investigation
Discover Resources
Shooting at Houston Shopping Center
Discover the Area Formula for a Triangle
SSS Congruence Lab
Parallel line through a point
IM 4 Pattern Blocks
Discover Topics
Symmetry
Hypothesis Testing
Geometric Transformations
Correlation
Median Value