18 of them because an hexagonal prism has 18 edges
You'll need 18 straws because it has 18 edges
12
20
six, you need six
You would need 12 straws because a cuboid has 12 edges, 8 vertices and 6 faces
To build the skeleton of a triangle-based prism, you would need 9 straws: 3 for each edge of the triangle base (totaling 9 straws) and 6 additional straws to connect the vertices of the triangle to form the prism.
9 straws because it has 9 edges, 6 vertices and 5 faces
I need 100 straws.
18 of them because an hexagonal prism has 18 edges
16
8 straws.
To build a tower of straws you will need straws, scissors, and masking tape. Cut the tip of each straw so that you can stick it into another straw. Use masking tape to hold the straws securely in place. Construct a base with this technique. Then begin building the tower up with more straws held together with masking tape.
A cuboid need not have any pages.
18 straws.
You'll need 18 straws because it has 18 edges
6