If a pyramid has a hexagonal base, then the number of vertices is ______.
If actual distance between two places A and B is 110 km and it is
represented on a map by 25 mm. Then the scale used is ______.
If 4 km on a map is represented by 1 cm, then 16 km is represented by ______ cm.
In a three-dimensional shape, diagonal is a line segment that joins
two vertices that do not lie on the ______ face.
The net of a rectangular prism has ______ rectangles.
(Hint: Every square is a rectangle but every rectangle is not a square.)
If a solid shape has 12 faces and 20 vertices, then the number of
edges in this solid is ______.