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Triangle Sum Proof (using transversals)
Author:
Jay Lietzow
Topic:
Geometry
Use this dynamic activity to explore how you can prove that a the sum of the interior angles of a triangle is 180 degrees, using transversals of parallel lines.
GeoGebra
New Resources
רישום חופשי
TNB Frame
Solve System Starter: Elimination
Curve C1 through 7 points and their tangents.
Constructing Incircle
Discover Resources
Angles Of A Quadrilateral
Transform the Triangle
SAS2
Hexagonal Prism
Untitled
Discover Topics
Binomial Distribution
Arithmetic Operations
Differential Equation
Mode
Numbers