Aprendendo Geometria Plana com a Plataforma GeoGebra- 2019

Topic:Angles, Area, Centroid or Barycenter, Circle, Circumcircle or Circumscribed Circle, Congruence, Constructions, Equilateral Triangles, General Quadrilateral, Geometry, Incircle or Inscribed Circle, Isosceles Triangles, Straight Lines, Orthocenter, Parallelogram, Perimeter, Plane Figures or Shapes, Planes, Polygons, Pythagoras or Pythagorean Theorem, Rectangle, Rhombus, Right Triangles, Scalene Triangles, Similar Triangles, Similarity Transformation or Similarity, Special Points, Square, Tangent Line or Tangent, Trapezoid, Triangles