Lines and angles, triangles and polygons, circles, and three-dimensional figures — about a quarter of GRE Quant, governed by the ETS "figures not drawn to scale" convention.
4 lessons55 min
What You'll Learn
Use parallel-line, transversal, and polygon angle relationships to find unknown angles
Apply triangle properties — angle sum, similarity, and the Pythagorean theorem — to solve for lengths and areas
Compute circle area, circumference, arc length, and sector area
Find volume and surface area of rectangular solids, cylinders, and other 3-D figures
Apply the ETS "not drawn to scale" convention and avoid reading measurements off the figure