a polyhedron is a

BLANK(shape of base)
BLANK (type of solid)
It has a width of 7 ft
A height of 5 ft
And also another width of 3 ft

polygon (shape of base)

3-dimensional (type of solid)

what do i highlight

You can highlight "polygon" for shape of base and "3-dimensional" for type of solid.

i mean what do i highlight on the box

You can highlight "polygon" for shape of base and "3-dimensional" for type of solid on the box.