The total area of a compound shape is found by adding up the areas of the rectangles that have created the whole shape. This may be done in more than one way. The calculation may use a subtraction of ...

Golden Rectangle ruthlessly mined just to form a cone. The post Math Puzzle for December 19, 2025 appeared first on Alameda Post.

An ellipse is one of four conic sections, i.e. instruments of anguish in math classes. The ellipse obeys the equation: (x/a) ² + ( y/b) ² = 1. In this specific case a = 40, while b = 30. An ellipse is ...