Geometry Tactile Graphics Kit. Drawings 1 - 2 #1. Perpendicular to a line#2. Skew lines and transversal.

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Presentation transcript:

Geometry Tactile Graphics Kit

Drawings #1. Perpendicular to a line#2. Skew lines and transversal

Drawings #3. Parallel lines and transversal #4. Marking congruent angles

Drawings #5. Acute angles#6. Obtuse angles

Drawings #7. Right angles and their marking #8. Adding angles

Drawings #9. Types of triangles#10. Isosceles triangles

Drawings #11. Proof of interior angle theorem #12. Triangle congruences

Drawings #13. Triangle with two congruent angles #14. Triangle with two congruent sides

Drawings #15. Exterior angles #16. Angles opposite an exterior angle

Drawings #17. Connecting midpoints of two sides #18. Proving the midpoint theorem

Drawings #19. Connecting all three midpoints #20. Medians

Drawings #21. Altitude from the largest angle #22. Second altitude

Drawings #23. Third altitude#24. Meeting of the altitudes

Drawings #25. Convex and concave#26. Regular polygon

Drawings #27. Irregular quadrilateral and regular pentagon #28. Using diagonals to make triangles

Drawings #29. Parallelograms #30. Proving opposite sides of a parallelogram congruent

Drawings #31. Diagonals that do not bisect each other #32. Diagonals that bisect each other

Drawings #33. Rhombus and square#34. Diagonals of a rhombus

Drawings #35. Trapezoids #36. Connecting midpoints of a quadrilateral

Drawings #37. Area of rectangles#38. Area of a parallelogram

Drawings #39. Area of a triangle#40. Area of a trapezoid

Drawings #41. The 30° -60° -90° triangle #42. Pythagorean Theorem illustration

Drawings #43. Proof of Pythagorean Theorem, part 1 #44. Proof of Pythagorean Theorem, part 2

Drawings #45. Similar polygons #46. Proportionality in a triangle

Drawings #47. Symmetry#48. Area-filling

Drawings #49. Radius and chords#50. Minor and major arcs

Drawings #51. Inscribed polygons#52. Inscribed angle proof