Triangle Names and Angle Sum (Interior and Exterior)

Author:Mr James Bowater, Morton Betts

How to name triangles. The conditions for naming triangles. Proof the sum of interior (inside) angles = 180 deg. Proof the other two angles equal exterior angle.

New Resources

Hyperbolic Paraboloid
Slope Between 2 Points (Phase 2)
Rose Curve
רישום חופשי
Viviani's Curve

Discover Resources

Guess the Least Square Line
EmilyShaughnessy (pg. 37)
project4v4
Irregular polygon Tessellation's
day 46 2

Discover Topics

Special Points
Poisson Distribution
Pythagoras or Pythagorean Theorem
Square
Natural Numbers