The Geometry Calculator app provides an easy platform to calculate important parameters of Geometric shapes such as volume, perimeter , area etc.. 2D Geometry : Square Rectangle Parallelogram Trapezoid Scalene triangle Isosceles triangle Equilateral triangle Right triangle Simple polygon Regular convex polygon Circle / Disk Annulus Annular sector Circular sector Circular segment Ellipse Ellipse segment Quadratic function Cubic function Intercept theorem Kite Angles and Trigonometry Rhombus In