How many triangles in the greek cross?

3 Isosceles triangle, Equilateral triangle, and Scalene triangle.

27 triangles. There are 16 one-cell triangles, 7 four-cell triangles, 3 nine-cell triangles, and 1 sixteen-cell triangle.

Well a Sierpinski Triangle is a triangle mad up of 69 small triangles.

it have 16 triangles in a triangleOnly one.

If you are talking about the common triangle puzzle, then there are 27 triangles. There are 16 one-cell triangles, 7 four-cell triangles, 3 nine-cell triangles, and 1 sixteen-cell triangle. There is...