45-45-90 Right Triangle Another of the commonly tested triangles on the GMAT is the 45-45-90, also known as the isosceles right triangle. Know that term, as it could appear by name in a question. As shown in the above diagram, the side lengths of this triangle always...
Right Triangle Identities: 3-4-5 Right triangles always adhere to the same basic relationship, reflected by the Pythagorean Theorem, or a² + b² = c², where a, b, and c match the triangle sides as pictured above. c always represents the longest side, called the...
GMAT Triangles Close your eyes, imagine a triangle, then open your eyes again. Which of the following did you picture? Something different? Well, every one of the above is tested on the GMAT. And you can’t stick to just one conception of a single shape. You have to be...
