Mathematics
Joseph is making a pentagonal prism using identical straws. How many straws does he need ?
20
18
15
10
Related Questions
If in a polyhedron, number of faces = 20 and number edges = 30; the number of vertices is :
12
6
8
20
is the net of :
square pyramid
triangular prism
hexagonal pyramid
none of these
In case of a hexagonal pyramid, F = no. of faces and V = no. of vertices, then F + V is:
10
12
14
16
The number of faces in a triangular pyramid is :
3
4
5
none of these