the pyramide rectangular base has 12 sides.
The base of a cone is a circle, and circle have an infinite amount of sides
4 sides
It depends on the base. If the base is an n-sided regular polygon, the pyramid will have n/2 pairs of parallel sides. The number of parallel sides when the base is irregular will depend on the exact details of the base.
6
The base has three sides.
the pyramide rectangular base has 12 sides.
An octagon is a plane figure. It has eight sides, but no real base.
The base of a cone is a circle, and circle have an infinite amount of sides
A cone only has a base, no sides
4 sides
2 sides, the base and the cone.
5 sides
At least four, but it can be more. If the base is a triangle (three sides) add the base and you get four. if the base is a quadrilateral (four sides), add the base and you get five. However many sides the base has, add one.
4
4 and a base.
4 triangular sides and 1 square base