15 straws are needed
10
8
15
6
18 straws.
I need 100 straws.
You need nine sides, so nine straws. But you could just use one straw and cut it into nine pieces.
seven
15
6
24
9
i need help making a pentagonal prism step by step
18 straws.
You'll need 18 straws because it has 18 edges
I need 100 straws.
10
Two pentagons and five rectangles.
six, you need six