Students are presented with the outline of an animal who has lost his mate. They are told that the sum of the interior angles of animal in front of them is exactly the same as the lost mate. Students ...

Students are told that my beloved gave me some white chocolate hearts for Valentine’s Day but they melted in the box before I could eat them. They are presented with the solidified mess - an irregular ...

Polygons can be regular or irregular in shape. A polygon is a closed 2D shape with at least three sides. A regular polygon is a polygon with all equal sides and angles. An irregular polygon is a ...