Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Internal angle sum of triangles
Author:
mrsK
Topic:
Angles
,
Geometry
,
Triangles
- Drag the vertices A, B, C to create different types of triangles. - Use the sliders to create copies of the same triangle and prove that the internal angles always add up to 180 degrees.
GeoGebra
New Resources
Tutorial: Zip command
Poorly Drawn Parallelograms 2
alg2_05_05_04_applet_exp_fxn_flvs
Thin Slice: Arc Length & Sector Area
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Discover Resources
Practice Worksheet - Standard Form
مضلعات
Rotations Activity Intervention
color ring
Roots of related cubics: kα, kβ, kγ
Discover Topics
Mode
Functions
Cuboid
Matrices
Conic Sections