Chapter 11: GMAT Triangles All the basic stuff for triangles is probably going to be fairly obvious. First, of course, a triangle is a three-sided object. Second is that all of the angles of a triangle add to 180 degrees. Third is that the angle opposite any side of the triangle is proportional to that … Read More
The Ultimate Guide to GMAT Geometry, Part III: Trapezoids, Rectangles, and Squares Chapter 8: Trapezoids (Trapeziums (Trapeziae?)) in GMAT Geometry If you were paying attention to the footnotes, then you’d recognize this as the extra credit answer. In essence, a trapezoid is sort of a dodgy parallelogram, where only two of the opposite sides got … Read More
Ultimate Guide to GMAT Geometry, Part II: Polygons, Perimeter and Area, Parallelograms Chapter 5: Polygons in GMAT Geometry Remember how I’ve mentioned like ten times about how a straight line creates a 180-degree angle? If not, well, it does. Now, think about this. What happens if we were to magically fracture that line? If we … Read More
The Ultimate Guide to GMAT Geometry (Part I) Geometry has a really weird relationship with the GMAT. It’s the one place where quite a bit of memorization is necessary, which causes a big problem: imperfect memorization will lead to wrong results. For that reason, I think memorization of rote formulae is mostly a waste of … Read More
How do you know that a GMAT Quant question is tricking you? Read on… Of course the GMAT is trying to trick you. That’s the whole point. You probably thought you’d learn some “tricks” and be able to get a 700+. Excuse my giggling. No, that’s just GMAT Quant tricking you, I’m afraid. Like an … Read More
How can you solve a GMAT Geometry question with no calculation? Simple: find one that’s based on spatial awareness. It’s just drawing loads and loads of pictures and you’ll get your answer! In this particular Geometry question, we see that you couldn’t really calculate even if you wanted to. Instead, this question requires two things: … Read More