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Proof of the angle sum of a triangle.

Author:Lesley Skipper
Topic:Angles
A proof that the angles in a triangle add to 180 degrees.

New Resources

  • Advanced example 1: Colored circles
  • רישום חופשי
  • Untitled
  • Advanced example 2: Infinite curve
  • Tracing r = 2 cos(θ)

Discover Resources

  • CONSTRUCTION OF TANGENT TO A CIRCLE FROM A POINT OUTSIDE IT
  • Triangular Pyramid
  • FraccionsA2Artur
  • version_2

Discover Topics

  • Bar Chart or Bar Graph
  • Mathematics
  • Random Experiments
  • Hypothesis Testing
  • Interest Calculation
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