Quadrilaterals are a common type of question on both the GRE and GMAT. These questions are easy to solve if you know what to look for, so this blog post will give you some tips on how to do that. It is one of the most important topics in geometry and can be very tricky for students who are preparing for GRE or GMAT. https://globaltree.in/articles/how-to-plan-for-gre-or-gmat-test/
