Triangle Calculator
Solve SSS, SSA, SAS, and other triangles using an inference engine that shows its working steps. Calculates area, side lengths, angles, perimeter, and more. Modify existing examples or try your own.
Press ⏎ to see the model. Try your own inputs or the examples below. Refresh your browser to clear results.
3 Sides (SSS): a = 3 ⏎ b = 4 ⏎ c = 5 ⏎
To see how an area was calculated, for example, type how A ⏎.