圆的方程

Learn a clever approach

Every problem comes with a worked solution, so even one you cannot crack shows you a new way to think. These are real problems from the AMC 8, AMC 10, AMC 12 and AIME, the national math competitions for middle and high school students, each with a worked solution on LIVE by Po-Shen Loh.

• Arc problems 27 from AMC 8, AMC 12
• Circumference problems 25 from AMC 8, AMC 10, AMC 12
• Sector problems 11 from AMC 8, AMC 10, AMC 12, AIME