8 straws.
8
10
I need 100 straws.
18 straws.
15 straws are needed
To make a triangular-based pyramid, you would need a total of 6 straws. This includes 3 straws for the triangular base and 3 additional straws connecting each vertex of the base to the apex of the pyramid. The straws form the edges of the pyramid, creating its structure.
12
6 straws are needed
8
8
10
To make a triangular-based pyramid, you need a total of 6 straws. You will use 3 straws to form the triangular base and 3 additional straws to connect each vertex of the triangle to the apex of the pyramid. This structure creates a stable and well-defined triangular pyramid shape.
16 straws.
8
To create an octagonal base pyramid, you will need a total of 17 straws. This includes 8 straws for the edges of the octagonal base and 9 additional straws to connect the apex of the pyramid to each vertex of the octagon. The structure requires careful assembly to ensure stability and proper angles.
8 straws 4 for the square base 4 for 1 each of the sides, to meet at the top.
A square based pyramid has 8 edges: One for each side of the square, and one from each corner of the square going up to the point.