A decahedron is a solid shape with ten flat faces.
Depends. What shape is it?
the net of a shape is how many sides of a shapeThe net of a solid shape is a flat arrangement of its faces faces which can be folded together to make the solid shape. See related links, below.
A pentagonal prism.
Shapes have sides. Do you mean, what shape has 6 sides or, what solid has 6 faces?
A ten faced solid is a decahedron.
A decahedron is a solid shape with ten flat faces.
Since a cube has 6 faces, you would be looking for a solid shape with only 2 faces and no such solid exists.
There are infinitely many shapes that have ten faces.
There is no regular solid with 13 faces.
tetrahedron
a sphere
Depends. What shape is it?
A polyhedron (solid shape formed by plane faces) with four faces is called a tetrahedron.
Shape
the net of a shape is how many sides of a shapeThe net of a solid shape is a flat arrangement of its faces faces which can be folded together to make the solid shape. See related links, below.
A pentagonal prism.