April 2019
Beginner to intermediate
400 pages
11h 57m
English
Content preview from GRE For Dummies with Online Practice, 9th Edition
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Chapter 10
Getting into Shapes with Geometry
IN THIS CHAPTER
Getting straight with lines and angles
Working with polygons
Taking on triangles and quadrilaterals
Circumnavigating circles
Working with 3-D shapes
Geometry is all about shapes: lines, angles, triangles, rectangles, squares, circles, cubes, and more. This chapter introduces you to the many basic shapes you’re likely to encounter on the GRE along with the strategies and equations that you’ll need to answer the questions. You also get hands-on practice answering a few example questions.
Exploring Lines and Angles
The main parts of most of these shapes are lines and angles, so start with these.
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GRE images are typically drawn close to scale, well enough for you to get a sense of what’s going on in the drawing. The drawing or the description will always tell you everything that you need (such as side lengths, parallel sides, ...