Want this question answered?
A heptagon can have all 7 lines that are perpendicular to one or both its neighbours.
two if the triangle has a right angle
How many faces of cuboid
A cuboid has got six flat surfaces.
No but it has perpendicular lines that meet at right angles.
A cuboid has 8 vertices, 12 edges and 6 faces
8 corners
6 everybody knows that
A cuboid does have 12 vertices.
A cuboid has 8 vertices (not vertaices).
8
A cube has 6 sides, and so does a cuboid.