GeoGebra
GeoGebra
Home
News Feed
Resources
Profile
People
Classroom
App Downloads
180 degrees in triangle
Author:
Kelly Haydukewich
Can you use the boxes to help you develop prove there are 180 degrees in a triangle?
GeoGebra
New Resources
Mapping Rectangles into Discs
Arc Length and Sector Area
Sector Area Question Generator
Open Middle: Graphing Linear Inequalities (1)
Open Middle: Graphing Linear Inequalities (4)
Discover Resources
segmentToolBug_2
koch work
Circle through a pair of inverse points
Converting True and Compass Bearings
Reflect Over Two Parallel Lines
Discover Topics
Geometry
Cosine
Sphere
Multiplication
Scalene Triangles