Law of cosine using obtuse triangle

Drag the red points!

 

Malin Christersson

 
Resource Type
Activity
Tags
cosine  cosine-law  cosine-rule  exploration  triangle 
Target Group (Age)
15 – 18
Language
English (United Kingdom)
 
 
GeoGebra version
4.4
Views
26073
Contact author of resource
 
 
© 2025 International GeoGebra Institute