# Square Pyramid (J1) # Data: Exact Mathematics 5 5 8 0 1 0 -1 0 0 0 0 -1 1 0 0 0 0 1 3 0 1 2 3 0 2 3 3 0 3 4 3 0 4 1 4 4 3 2 1 0 1 0 2 0 3 0 4 1 2 1 4 2 3 3 4