24
Two are needed at each end of the prism
the answer is 12
A triangular prism has 6 edges and so an octagonal prism will have 16 edges.
An octagonal prism has 24 edges.An octagonal prism has 16 vertices.An octagonal prism has 10 faces, two octagons on the "ends" and eight quadrilaterals (often rectangles) on the "sides". The correct number is 24
six, you need six
15
Two are needed at each end of the prism
9
15 straws are needed
an octagonal prism * * * * * No. An octagonal prism has 10 faces. Some of the possible solutions are: A heptagon based pyramid, A hexagonal prism, A rectangular based dipyramid.
16
10
9
18 straws.
the answer is 12
An octagonal prism has 16 vertices (or corners).An octagonal prism has 16 vertices (or corners).An octagonal prism has 16 vertices (or corners).An octagonal prism has 16 vertices (or corners).
6