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As we saw at school , is not so easy to make such an drawing . As Valentina said would be quite nice to do our howeworks in this way. Maybe after another one hundred years homework will be solved like this . Posted on 22/03/11 18:56.
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For me GeoGebra is a very good program because we can with it to learn very easy math. Posted on 23/03/11 15:21.
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The same as Bogdan, I would like to tell you that I love this program, GeoGebra. I think that GeoGebra is a very useful program, because it helps us to learn very easy math , and because it shows us the funny part of math. Posted on 26/03/11 11:54.
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The incenter is I,the internal angle bisectors are FBI EAI and DCI,the points where the circle touchs the triangle are: E,D,F and the radius is ID Posted on 31/03/11 11:57.
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Perfect answer , Pedro! Posted on 01/04/11 18:01 in reply to Pedro Moreno.
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Good job Pedro, go for the next task. Posted on 02/04/11 18:37 in reply to Pedro Moreno.
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The game is Very fun! Posted on 07/04/11 11:54.
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Blog

05 April 2011 16:59

## REGULAR COVERING OF THE PLANE
The plane can be regularly covered by only three regular polygons: an equilateral triangle, a square or a hexagon.
1. The screen is divided in three parts. Yolanda Baena Muñoz, Creación realizada con GeoGebra |

30 March 2011 09:17

Here you can see a triangle and the three perpendicular bisector of the sides. The three perpendicular bisectors meet in a single point, the triangle's circumcenter; this point is the center of the circumcircle or circumscribed circle, the circle passing through all three vertices.

You can move the three vertices and watch what happens to the circumcenter.

When you move some of the vertices the circumcenter and the circumcircle change, but the points where the circumcircle touch the triangle are always the same, what are their names?

Celia Díaz, Created with GeoGebra

24 March 2011 00:42

## In geometry, a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. The cube can also be called a regular hexahedron and is one of the five Platonic solids. It is a special kind of square prism, of rectangular parallelepiped and of trigonal trapezohedron.Questions: pff, Creación realizada con GeoGebra |

22 March 2011 15:37

Your last project is incredible!I noticed that you put more emphasis on practice.With this method, students learn much faster and more efficiently.I really like your way of learning.You are very good of this.I should commend the castle,the giant castle of pics.Is the most beautiful i've seen.Bravo again!!

19 March 2011 19:52

## Symmetry on Royal Alcazar Palace
Here you can see point symmetry, line simmetry, translation and rotation. Marilena Faiciuc, Creat cu GeoGebra |

19 March 2011 18:45

## Point SymmetryPoint Symmetry An object is symmetrical about the point O if the distance of any point on the object from the center O is same as the distance from the corresponding point on the symmetrical object. Point A and A’ are equidistance from O. Marilena Faiciuc, Creat cu GeoGebra |

13 March 2011 08:18

## The incircle or inscribed circle of a triangle
The incircle or inscribed circle of a triangle is the largest circle contained in the triangle. It touches (is tangent to) the three sides. The center of the incircle is called the triangle's incenter which can be found as the intersection of the three internal angle bisectors. Marilena Faiciuc, Creat cu GeoGebra |

02 March 2011 17:57

## Type of TrianglesMove the points of each triangle to answer the below questions. A) What is the type of the first triangle ? |

21 February 2011 21:00

Here you can see the plan of a home. In this activity you must find the geometrics elements listed on the right. Once you find them, mark the box to check it.

**Make a list of other items you found and not in the list. Add a comment and discuss your response.**

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