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Sum of Interior angle measures

Author:Sheryl Hughes

Prove the Sum

Construct a triangle. Compute the sum of the interior angles.

New Resources

  • Triangle Flexer
  • Graph of y = a(x − h)² + k
  • Drunk Parabola
  • Traffic Cone
  • seo tool

Discover Resources

  • Side - Side - Side (SSS) Investigation
  • Maddy
  • Systems of Equations
  • Area of Circle
  • สามเหลี่ยมพีทาโกรัส1

Discover Topics

  • Root
  • Straight Lines
  • Subtraction
  • Conic Sections
  • Orthocenter
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