Multimedia explanation for Geometry: Surface Area and Volume Welcome to IXL's Geometry page. Practice math online with unlimited questions in more than 200 Geometry math skills. Math2.org Math Tables: Areas, Volumes, Surface Areas (pi = = 3.141592.) Areas. square = a 2. rectangle = ab. parallelogram = bh. (lateral area) = perimeter(b) L Area is the quantity that expresses the extent of a two-dimensional figure or shape, or planar lamina, in the plane. Surface area is its analog on the two-dimensional. Volume and surface area help us measure the size of 3D objects. We’ll start with the volume and surface area of rectangular prisms. From there, we’ll tackle. Geometry Help. Geometry is an interesting area of Math that requires a proper understanding of the basics. The fundamentals of different types of angles like Acute. Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to their math. The surface area of a solid is the area of each surface added together. There are few formulas to memorize (w00t!). The keys to success: make sure that you don't. Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to their math. Geometry Help. Need some geometry help? We have more than thirty excellent geometry lessons here, broken up in general topics. Make sure to browse all of the topics.