GeoPro is the next level of our application geometry. It features the following aspects: Triangles: Special triangles, Properties of Right triangles, Congruent of Right Triangle.Plane Areas: Rectangle, Trapezoids, Circle, right triangles.Polygon: Regular polygons with n-sides.Solids: Prisms, Volumes, Pyramid and cones, Frusta, Spheres and Surface areas.Centroids: Centroids of a triangle, parabola, power curve, etc.You can calculate the area, volume or perimeter of a: Square Trapezoid Sphere Circle