📐`c²=a²+b²-2abcos(C)

#law of cosines #cosine rule #triangle formula #trigonometry #math formula #side calculation #angle calculation

📏🧠📏➡️📐/📏📏📏➡️📐

#law of cosines #solve triangle #sas #sss #side angle side #side-side-side #triangle calculation #geometry application #trigonometry