Machu Picchu, Geometry Theorems, Problems, Online Education

Online Geometry: Congruence, Rotation, Translation, Reflection - Page 6

Congruence, Translation, Rotation, Reflection

Proposed Problem 78: Angles of a Circle. Perpendicular and parallel lines, Midpoint, Diameter, Chord, Cyclic quadrilateral, Congruence.

Proposed Problem 65: Right Triangle, Mindpoints.

Hinged tessellation, Dynamic geometry

Interactive Hinged tessellation. Square tessellation - Dynamic Geometry.
Please be patient while the applet loads on your computer. This Java applet requires Java 1.3 or higher.

Archimedes' Book of Lemmas.
Proposition 5,
Arbelos, Archimedean Twins.

Geometry Expressions

I have used Geometry Expressions, the world's first Interactive Symbolic Geometry System, to visualize the Archimedean Twins and check out a variety of conjectures.

Proposed Problem 60: Isosceles triangle and angles.

Proposed Problem 59: Right and Equilateral Triangles, Midpoints

Proposed Problem 58: Right Triangle, Congruence, Perpendiculars.

Triangle and Squares 22
 

Triangle and Squares 20

Proposed Problem 49. Angles and right triangle.

Proposed Problem 48. Angles and triangles.

Proposed Problem 47. Angles and triangles.

Proposed Problem 46. Angles and triangles.

Proposed Problem 45. Angles and triangles.

Proposed Problem 44. Angles and triangles.

 

Proposed Problem 43. Angles and triangles.

Proposed Problem 42. Angles and triangles.

Proposed Problem 37.
Right Triangle, altitude, incircles, incenters, and orthocenter.

Triangle and Squares 16

Triangle and Squares 14

Triangle and Squares 13

Previous | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Next

HomeGeometry | Problems | Email | By Antonio Gutierrez