polygonalnumbertheory
nounUK /pəˈlɪɡənəl ˈnʌmbə ˈθɪəri/
US /pəˈlɪɡənəl ˈnʌmbər ˈθiːəri/
Polygonal number theory is the study of numbers that can be arranged into shapes like triangles and squares.
In polygonal number theory, we learn that 10 dots can make a triangle.
OTHER MEANINGS
2. A branch of math that looks at how dots or counters form polygons.
The class used polygonal number theory to build hexagons with counters.
3. The study of sequences made by adding layers to a polygon shape.
Polygonal number theory explains why square numbers grow by odd steps.
4. A way to explore number patterns using shapes with many sides.
She drew pentagons to explore polygonal number theory.