Watch this short video to understand the concept of angles between lines. The concept is helpful for the GMAT quantitative section.
Legacy GMAT Notice: This page is from our Legacy GMAT archive (Classic Edition, pre-2024). Geometry was retired from the GMAT and is no longer tested. We keep this for archival reference and for readers interested in the concept. For current preparation, start with our GMAT Prep Course and practice using 15 GMAT Practice Tests.