describes a triangular array of numbers and how the triangle may be used in probability problems. The triangle itself was not new, but it became known as Pascal’s Triangle. Below is a truncated ...

Here’s how it works. Pascal’s triangle is a never-ending equilateral triangle of numbers that follow a rule of adding the two numbers above to get the number below. Two of the sides are “all ...

These clusters connect with other clusters to form further triangle shapes within a highly regular repeating array.