MyCTMain
Triangle from two sides

Geometry (2d) index

This calc gives the sides and angles of a triangle calculated from two side lengths and the angle between them. The solution is found by using Pythagoras' theorem and trigonometry.
 Side b millionths thousandths dozen score gross thousand million billion trillion moles Side c millionths thousandths dozen score gross thousand million billion trillion moles Angle α degrees (°) milliradians radians grad arcseconds arcminutes circles Side a millionths thousandths dozen score gross thousand million billion trillion moles Angle β degrees (°) milliradians radians grad arcseconds arcminutes circles Angle γ degrees (°) milliradians radians grad arcseconds arcminutes circles Area units² M units² µ units² Add

Solving the properties of triangles with unknown side lengths, angles, or both, are a crucial part of geometry. These problems are found to be important steps in the solution of much larger and more complex problems as well.
This calc finds the triangle properties for a particular set of knowns and unknowns. For triangles with other sets of unknowns, other calcs are available.