July 19, 2015
GMAT Solids are simply 3-dimensional shapes and are one area where people tend to struggle because they try to memorize a set of formulas for the two things you might have to calculate for solids: surface area and volume. However, this section does not have to be difficult. A small bit of logic can help you sift through all of the formulas. Really the only two solids that are tested on the GMAT, in terms of formulas, are rectangular solids (including cubes) and cylinders. You may come across ...