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The sum of the angles of a quadrilateral

Author:Daniel Mentrard
Topic:Angles, Quadrilaterals

update of my 2009 file (old GUM)

New Resources

  • GeoGebra Notes
  • အခြေခံ data အခေါ်အဝေါ်များ
  • Proof of a Rhombus by Construction and Deduction
  • apec
  • Dilation + Rotation of Pentagons

Discover Resources

  • Fungsi
  • Parallel Lines Cut By a Transversal
  • Nemo and the unit vectors
  • การแยกตัวประกอบ
  • สามเหลี่ยมพีทาโกรัส

Discover Topics

  • Percentages
  • Constructions
  • Similar Triangles
  • Rotation
  • Right Triangles
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