This web site is to serve as a brief and general review of basic facts of high school geometry. The lessons are intended to be read by someone who has completed some such geometry course and needs a refresher. It is not intended to be comprehensive and fully instructive.
There are examples worked out in detail in the lessons and there are quiz problems for you to try. So, in addition to recalling facts and formulas, you will get to practice your problem solving skills.
There are nine lessons and quizzes given in PowerPoint format. Left-click on a link and open the file. (Note: these instructions were developed for a PC utilizing Windows and Internet Explorer.) The file will open in your browser and you will see the title page. Once open, I recommend that you right-click on the screen and choose "Full Screen." Once in full-screen mode, move the mouse around and you will see some navigation buttons in the bottom-left corner of your screen. Left-click on the forward and back arrows as necessary (you may also left-click anywhere else on the screen to move forward). When you want to leave the lesson or quiz, right-click and choose "End Show." This will bring you out of full-screen mode. Then use the back-button on your browser to return to the Geometry Review home page.
The lessons are not written in a printer-friendly way. The material on some slides includes animations and information that appears and disappears. Printing some slides will cause some writing to appear on top of other writing. The quizzes may safely be printed out without a loss of information.
The best way to learn from these files is to have paper and pencil ready so that you can work out any details left out in the lessons and so that you can try the quiz problems. You may want to take a look at a quiz first to gauge whether it is necessary for you to read a lesson, or you may just want to read all the lessons in order, trying the quizzes after each one. Click on the Table of Contents Link to see the contents of each lesson in more detail, to find out how long a lesson is (measured by number of PowerPoint slides), and to find out how long a quiz is.
Instructors: please feel free to use, modify, and distribute this material as you see fit, while giving credit to the author.