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Intersection points

Lesson 9 of 10 in Counting in Geometry and Grids · Permutations and Combinations

Lessons

  1. Start hereThe idea and the methodFirst lesson of Counting in Geometry and Grids
  2. 1.Triangles from collinear points2 questions + fresh variantsIndore 2022 SA
  3. 2.Lines from points1 question + fresh variantsIndore 2021
  4. 3.Rectangles from parallel lines1 question + fresh variantsIndore 2021 SA
  5. 4.Lattice pathsNew numbers every time (templates)
  6. 5.Staircase steps1 question + fresh variantsIndore 2023
  7. 6.Chessboard rooks2 questions + fresh variantsIndore 2023
  8. 7.Diagonals of polygonNew numbers every time (templates)
  9. 8.Squares in grid2 questions
  10. 9.Intersection points2 questions + fresh variants
  11. 10.Polygon triangles1 question + fresh variants