A side of a solid figure is called a face.
enneahedron
decahedron
the solid figure with six congruent sides isva cube
sides of the solid figure
A solid figure with six sides could be a rectangular prism.
It is not a solid figure because an icosagon is a polygon with 20 sides
A cube.
a crescent
A ten sided figure is called a Decagon. ( i think that's how you spell it. )
A Triangular Pyramid
Triangle
CUBE