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How many curved surfaces and edge in sphere have?

One curved surface (two if it is hollow) and no edges.


Name some 4 shapes with curved faces?

Sphere, ellipsoid, torus, paraboloid, hyperboloid are shapes with only curved surfaces. Hemisphere, quadrant, cone and cylinder are examples of shapes with curved and plane surfaces. There are, of course, many others.


What shapes is not a polyhedron?

A shape that is not a polyhedron is a sphere. Unlike polyhedra, which are three-dimensional shapes with flat polygonal faces, a sphere has a curved surface with no edges or vertices. Other examples include cylinders and cones, which also possess curved surfaces and do not meet the criteria for polyhedra.


What is radius of curvature of spherical surface?

The radius of curvature of a spherical surface is the radius of the sphere from which the surface is derived. It is defined as the distance from the center of the sphere to the surface at any point. For a perfect sphere, the radius of curvature is constant and equal to the sphere's radius. This concept is crucial in optics and geometry, as it helps determine how light rays behave when they encounter curved surfaces.


What solids have no perpendicular faces?

Solids that have no perpendicular faces include curved surfaces, such as spheres and cylinders. In these shapes, all points on the surface are equidistant from the center (in the case of a sphere) or maintain a constant radius from a central axis (in the case of a cylinder). Other examples include cones and ovoids, where the surfaces are continuously curved without any straight edges that meet at right angles.