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Triangle Sum

Author:Jeff Hruby

Drag the vertices. What do you notice?

New Resources

  • Linear Combination of Vectors
  • Midpoint Theorem (V2): Integer Solutions
  • Right Triangle Inscribed in a Semicircle
  • Identifying Solids Formed by Rotation
  • Squaring a Rectangle (PST Version)

Discover Resources

  • Poincar´e Disk_2
  • Sequences
  • Kubus
  • Regular pentagon erected internally on a side of a regular decagon
  • ปริซึมฐานสี่เหลี่ยม

Discover Topics

  • Exponent
  • Vectors 3D (Three-Dimensional)
  • Equations
  • Histogram
  • Parallelogram
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