Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Sum of angles in a triangle is 180 degrees
Author:
Mathguru
Topic:
Angles
Drag the points A, B and C to change the size and shape of the triangle. Note what happens when you add the three angles.
GeoGebra
What is the rule for the sum of the angles of a triangle?
New Resources
Exploring the Derivative of an Exponential Function
Exploring Simple Loci 探究簡單軌跡
Chaotic behaviour
Finding Average Rate of Change of a Function
alg2_05_05_01_applet_exp_2_flvs
Discover Resources
Exercise 7.3
Opgave 6
First
Arithmetic Sequences 2
Differentiation From First Principles Explorer
Discover Topics
Geometric Mean
Triangles
Secant Line or Secant
Logarithm
Statistics