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New page: A '''dihedral angle''' is the union of any line and two half-planes that have the line as a common edge. Like a thin piece of paper that has one fold. It has a [[Face(Geome...
A '''dihedral angle''' is the [[union]] of any line and two [[half-planes]] that have the [[line]] as a common [[edge]]. Like a thin piece of paper that has one fold. It has a [[Face(Geometry)|Face]] which is the union one of the half-planes and the dihedral edge. The dihedral edge, subsequently, is one line: the common edge of the fold.
The notation for a dihedral angle is similar to that of an [[angle]] on flat [[plane]]. For example, A-BC-D, where A and D are each points on one of the faces, and BC represents the line which makes the dihedral edge. Most of the theorems and postulates that apply to the regular [[angles]] found in planes also apply to dihedral angles.
[[Category:Geometry]]
The notation for a dihedral angle is similar to that of an [[angle]] on flat [[plane]]. For example, A-BC-D, where A and D are each points on one of the faces, and BC represents the line which makes the dihedral edge. Most of the theorems and postulates that apply to the regular [[angles]] found in planes also apply to dihedral angles.
[[Category:Geometry]]