GeoGebra
Create Lesson
GeoGebra
Home
News Feed
Resources
Profile
People
Classroom
App Downloads
Angle Sum of a Triangle
Author:
sureshbabupp
Topic:
Geometry
The angles of a triangle always sum to 180 degrees. We can use this fact to solve for the missing angle of a triangle.
New Resources
A coffee cup and a doughnut
Multipurpose 20 Frame Randomizer
Range and Domain
Organic Ellipse
Open Middle: Horizontal and Vertical Distances (V1)
Discover Resources
Symmetry in Cosine and Tangent
N-Line
Transformations Project
Animation 110
Erick Owen Triangle Project
Discover Topics
Cuboid
Difference and Slope
Conic Sections
Correlation
Optimization Problems