相似形_Collection

Reinhold Yen, 20 jul. 2016


  • 1. Proportions in similar triangles
  • 2. Similar Triangles
  • 3. Volumes and Surface Areas of Similar Cuboids
  • 4. Similar Triangles
  • 5. Properties of Dilations
  • 6. square roots in a greek way...
  • 7. fractions in a greek way...
  • 8. the golden ratio
  • 9. division of a segment
  • 10. the intersept (thales) theorem
  • 11. 相似な図形の作図
  • 12. 平行線と比の定理を利用した証明
  • 13. 三角形と比の定理の証明２
  • 14. ピラミッドの高さ
  • 15. 相似三角形
  • 16. Geometric Mean Madness! (GoGeometry Action 84)
  • 17. GoGeometry Action 95!

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Proportions in similar triangles

– GeoGebra Materials Team

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