### Did you solve it? Gems from a mathematical wonderland

Earlier today I set you the following three problems. Solution: 64 If we call the ‘size’ of a triangle the number of individual areas it contains, there are 7 triangles of size 1 14 triangles of size 2 10 triangles of size 3 13 triangles of size 4 6 triangles of size 6 6 triangles…