Using the Ruler, Protractor, and Compass to Solve the Hardest Geometry Problems on the 2016 AMC 8

copyright-small Henry Wan, Ph.D.

The AMC 8 is a 25-question, 40-minute, multiple choice examination in middle school mathematics designed to promote the development and enhancement of problem solving skills. The problems generally increase in difficulty as the exam progresses. Usually the last 5 problems are the hardest ones.

Among the final 5 problems on the 2016 AMC 8 contest, there are 3 geometry problems: Problems 22, 23, and 25. When solving these difficult geometry problems, in addition to using the regular geometry approaches (plane geometry and coordinate geometry), we can also use a ruler, protractor, and compass, as well as graph papers to easily and quickly find answers to these problems. All of my students have systematically learned all unique strategies, skills, and techniques, which are also described in my article titled “Using the Ruler, Protractor, and Compass to Solve Geometry Problems on the AMC 8 and MathCounts.” My students have used these techniques to get the 3 hardest geometry problems correct and benefit greatly by receiving top scores on the AMC 8.

Click HERE to see my detailed solutions of the hardest geometry problems on the 2016 AMC 8.

Click HERE find out more about Math Competitions!

Click HERE to find out more about SAT Prep!

Copyright copyright-small Dr. Henry Wan. All rights reserved


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