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Postulate 9

Author:Jason Wofsey

If two planes intersect, then their intersection is a line.

New Resources

  • Model sferyczny - sześcian-ośmiościan
  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • Rolling an Equilateral Triangle
  • bewijs stelling van Pythagoras
  • Damped Trochoidal Curve

Discover Resources

  • Histogram with Equal Bars
  • Dewey Miller Construct Perpendicular Lines
  • Dilation Animation
  • I.47 variation with semicircles
  • Intersection problem

Discover Topics

  • Percentages
  • Arithmetic
  • Upper and Lower Sum or Riemann Sum
  • Difference and Slope
  • Straight Lines
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