Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Cosine rule & Pythagoras' Theorem
Author:
shanlee
Topic:
Cosine
,
Pythagoras or Pythagorean Theorem
Drag the RED point to create an non-right angle triangle. How does the COSINE rule extend Pythagoras' theorem to describe non-right angle triangles? (Tick the box to see the Working).
GeoGebra
New Resources
Witch of Agnesi - A Classical Construction
Play C3 E3 G3 C4_C4
A retro cityscape with mathematics
Drag that Point!
Piano. Keyboard.
Discover Resources
SurajChetty-36gh78vf
trasformazione_curva_parametrica
Tom's Project
Circumcenter Right Triangle Video
The Euler line and the center of mass of the triangle (centroid)
Discover Topics
Definite Integral
Perimeter
Tangent Line or Tangent
Confidence Interval
Subtraction