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.

New Resources

Chaotic behaviour
Graphing Logarithmic Functions
How to Assign Color Objects Inside the List? II
Is it Isosceles?
bearing HK

Discover Resources

Electronic symbol
TypesOfAngles1
asdf
Trial
Triangle 1

Discover Topics

Plane Figures or Shapes
Ratios
Circumcircle or Circumscribed Circle
Surface
Sine