\(\text{Area of a triangle} = \frac{1}{2} ab \sin{C}\) To calculate the area of any triangle the lengths of two sides and the angle in between are required. Rearrange the equation to make \(\sin{C}\) ...

Discusses the properties and types of triangles, explaining that a triangle is a closed figure with three sides and angles. It categorizes triangles into equilateral, isosceles, scalene, obtuse, right ...

Geometry class came after lunch, after gym, and after checkout. The post Math Puzzle for November 7, 2025 appeared first on ...

Counting will get you nowhere. Try a little combinatorics instead. By Kenneth Chang A couple of weeks ago, I wrote about a viral math problem — 8÷2(2+2) = ? — that drew the disdain of many ...

https://doi.org/10.4169/amer.math.monthly.122.10.967 https://www.jstor.org/stable/10.4169/amer.math.monthly.122.10.967 Let K be a convex figure in the plane such that ...