Linked from

The 16 pages that link to Interior angle, each with the reason it gives.

• Equilateral triangleRelated: Each interior angle here measures exactly 60 degrees.

• Regular polygonRelated: Equal interior angles are one of the defining conditions for regularity.

• TessellationRelated: Angles meeting at a tessellation vertex must add to 360 degrees.

• Vertex (geometry)Related: The sides meeting at a polygon vertex determine its interior angle.

• QuadrilateralRelated: The four interior angles of every quadrilateral sum to 360 degrees.

• Convex polygonRelated: Every interior angle of a convex polygon is less than 180 degrees.

• Platonic solidRelated: The polygon's interior angle determines how many faces can meet around a vertex.

• Schwarz–Christoffel mappingRelated: Each angle fixes an exponent in the mapping derivative.

• Spherical excessRelated: Spherical excess is computed from the three interior angles of a spherical triangle.

• Scalene triangleRelated: Unequal side lengths in a scalene triangle correspond to unequal opposite angles.

• Exterior angle theoremRelated: The theorem compares the exterior angle with two interior angles.

• DecagonRelated: The ten interior angles determine a decagon’s total angle sum.

• Erdős–Nagy theoremRelated: Concave vertices mark the inward turns that create pockets.

• Law of cotangentsRelated: A, B, and C denote the triangle’s interior angles.

• Marjorie RiceRelated: Angle constraints help determine whether copies of a pentagon can meet around vertices.