Regular Geometry Applets

Shane Donahue, 12. 8. 2015


  • 1. Pythagorean Theorem Proof without Words
  • 2. Exterior Angles of Polygons--Proofs without Words
  • 3. Area of a circle
  • 4. Area of a Trapezoid (Discovery)
  • 5. Perpendicular Bisector Theorem (Part 1)
  • 6. Perpendicular Bisector Theorem (Part 2)
  • 7. Parallelogram Template
  • 8. Rhombus Template
  • 9. Rectangle Template with Investigation Questions
  • 10. Isosceles Trapezoid Template
  • 11. Angle Bisector Theorem (Part 2)
  • 12. Angle Bisector Theorem (Part 1)
  • 13. Orthocenter Exploration
  • 14. Circumcenter (& Questions)
  • 15. Identifying Sides of Right Triangles
  • 16. Scaffolded Rectangle Template
  • 17. Rhombus Template (Scaffolded Investigation)
  • 18. Parallelogram Template (Scaffolded Discovery)
  • 19. Kite Template (Scaffolded Investigation)
  • 20. Isosceles Trapezoid Template (Scaffolded Investigation)
  • 21. Incenter Exploration (B)
  • 22. Medians Centroid Theorem (Proof without Words)
  • 23. Inscribed Angle Theorem (Proof without Words)
  • 24. Area of Circles
  • 25. Inscribed Angle Theorem (Corollary 1) (Proof without Words)
  • 26. Inscribed Angle Theorem (Corollary 2) (Proof without Words)
  • 27. Aciviy 5.3.2
  • 28. Acivity 5.3.1

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Pythagorean Theorem Proof without Words

Move the endpoints of the segments and the X to change the shape. The slider translates the pieces into a new combination. What do you notice?
– Jed Butler

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Informace