The document defines the formulas for calculating the area, perimeter, volume, and surface area of various geometric shapes including triangles, rectangles, squares, parallelograms, rhombuses, trapezoids, kites, circles, sectors, segments, cubes, cuboids, cylinders, cones, hemispheres, spheres, prisms, pyramids, frustums of cones and pyramids. For each shape, the key formulas for area, perimeter, volume, or surface area are provided.