None. There is one curved suface but no plane surface.
one
Coplaner surfaces are two or more surfaces that are in the same plane.
a solid figure with five plane surfaces
Shapes have flat surfaces in plane geometry. They can also be described as two dimensional shapes.
Theoretically, planes are flat surfaces that extend into infinity = no boundaries
one
One.
A trapezium is a plane shape and so has only one surface.
Coplaner surfaces are two or more surfaces that are in the same plane.
A cube has six plane surfaces -- top, bottom, and four sides.
The size of the ball. The weight of the ball. The angle of the inclinned plane. The length of the inclined plane
A icosahedron is a polyhedron with 20 plane surfaces.
the base of it has a mirror
Faces.Faces.Faces.Faces.
By smoothing the surfaces, lubricating the surfaces, inserting ball bearing or their equivalents between the surfaces.
The term "polygon" refers to flat surfaces - surface on a plane.The term "polygon" refers to flat surfaces - surface on a plane.The term "polygon" refers to flat surfaces - surface on a plane.The term "polygon" refers to flat surfaces - surface on a plane.
The Camel is a bi-plane; 2 wings. Only the upper wing had control surfaces.