Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Triangle Sum Theorem (2)
Author:
Patricia Loy
Topic:
Angles
This file demonstrates how the sum of the interior angles of a triangle is always 180 degrees by using parallel lines and a transversal.
GeoGebra
New Resources
Bottema's Theorem
Construct a Square
Cross Product in 2D and 3D
History of Maths
Slope of a Straight Line: Run and Rise
Discover Resources
Condorcet jury
What-If-Not Construction
Construction 8_Goddard
LinearFunctionParameters
Stem and Leaf Plot: Quick Illustrator
Discover Topics
LCM and GCD
Statistics
Quadratic Functions
Confidence Interval
Perimeter