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Heron's Formula 希羅公式
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
Slope of a Straight Line: Run and Rise
Bottema's Theorem
Limaçon / Cardioid as a Locus - A Classical Construction
Angles and Intersecting Lines: Quick Investigation
Parallel or Not? (V2)
Discover Resources
Asintotas Verticales
Conics and Tangent Circles
SAS Congruence
Broken ruler (inches)
Small Network Adjacency Matrices
Discover Topics
Parallelogram
Piecewise Functions
Confidence Interval
Standard Deviation
Algebra