The formula of geometric figure solution?

The formula of geometric figure solution?

Sine theorem: A / Sina = B / SINB = C / sinc = 2R, R is the circumcircle radius of triangle ABC, ABC is the side length
Cosine theorem: cosa = (B × B + C × C-A × a) 2 × B × C
Pythagorean theorem: a × a = B × B + C × C ABC is the side length of a triangle