2D
Regular Polygons: Equilateral Triangle , Square , Pentagon , Hexagon , Heptagon , Octagon , Nonagon , Decagon , Hendecagon , Dodecagon , N-gon Other Polygons: Triangle , Right Triangle , Isosceles Triangle , IR Triangle , Quadrilateral , Rectangle , Rhombus , Parallelogram , Kite , Right Trapezoid , Isosceles Trapezoid , Trapezoid , Cyclic Quadrilateral , Tangential Quadrilateral , Arrowhead , Antiparallelogram , House-Shape , Concave Pentagon , Parallelogon , Threestar , Fourstar , Pentagram , Hexagram , Star of Lakshmi Round Forms: Circle , Semicircle , Circular Sector , Circular Segment , Round Corner , Annulus , Annulus Sector , Ellipse , Stadium , Digon , Spherical Triangle , Reuleaux Triangle , Cycloid , Astroid , Hypocycloid , Cardioid , Parabolic Segment , Arbelos , Salinon , Lune , Oval , Three Circles , Lemniscate , Squircle
3D
Platonic Solids: Tetrahedron , Cube , Octahedron , Dodecahedron , Icosahedron Archimedean Solids: Truncated Tetrahedron , Cuboctahedron , Truncated Cube , Truncated Octahedron , Rhombicuboctahedron , Icosidodecahedron , Truncated Dodecahedron , Truncated Icosahedron Catalan Solids: Triakis Tetrahedron , Rhombic Dodecahedron , Tetrakis Hexahedron , Deltoidal Icositetrahedron , Rhombic Triacontahedron Johnson Solids: Pyramids , Cupolae , Rotunda , Elongated Pyramids , Snub Disphenoid Other Polyhedrons: Cuboid , Square Pillar , Square Pyramid , Regular Pyramid , Pyramid , Regular Frustum , Frustum , Bipyramid , Ramp , Right Wedge , Wedge , Rhombohedron , Parallelepiped , Prism , Oblique Prism , Antiprism , Trapezohedron , Disphenoid , Corner , General Tetrahedron , Truncated Rhombohedron , Stellated Octahedron , Small Stellated Dodecahedron , Great Stellated Dodecahedron Round Forms: Sphere , Hemisphere , Cylinder , Cut Cylinder , Oblique Cylinder , Generalized Cylinder , Cone , Truncated Cone , Oblique Circular Cone , Elliptic Cone , Spheroid , Ellipsoid , Spherical Sector , Spherical Cap , Spherical Segment , Spherical Wedge , Cylindrical Wedge , Cylindrical Sector , Cylindrical Segment , Spherical Shell , Cylindrical Shell , Spherical Ring , Reuleaux-Tetrahedron Torus , Capsule , Lens , Barrel , Paraboloid , Hyperboloid , Oloid , Steinmetz Solids
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Spherical Triangle Calculator
Calculations in a spherical triangle (Euler triangle). The spherical triangle doesn't belong to the Euclidean, but to the spherical geometry. The three sides are parts of great circles, every angle is smaller than 180°. Enter radius and three angles and choose the number of decimal places. Then click Calculate. Please enter angles in degrees, here you can convert angle units .
Formulas:
Radius is a one-dimensional unit (e.g. meter), the area has this unit squared (e.g. square meter). The sperical excess is an angle, calculated in degrees.
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