Monthly Archives: September 2024

AMC 10 Exercise – 1

Posted on September 20, 2024 by kevin

Two years ago Pete was three times as old as his cousin Claire. Two years before that, Pete was four times as old as Claire. In how many years will the ratio of their ages be $2:1$? Two right circular cylinders … Continue reading →

Posted in Math Classes, MATHCOUNTS | Comments Off on AMC 10 Exercise – 1

Geometry Probability – 3

Posted on September 18, 2024 by kevin

Two points are randomly and uniformly selected from the interior of a circle. The center of the circle and the two points joined together form a triangle. What is the probability that the triangle is acute? Click here for the … Continue reading →

Posted in Algebra, Calculus, Geometry, Probability | Comments Off on Geometry Probability – 3