CORRECT + BEST EXPLANATION GETS BRAINLIEST! (50 POINTS)

The distance formula, (FORMULA ATTACHED AS IMAGE), is the key element in the proof of which of the following?

A. CPCTC
B. The triangle inequality theorem
C. The law of sines
D. The law of cosines

CORRECT BEST EXPLANATION GETS BRAINLIEST 50 POINTS The distance formula FORMULA ATTACHED AS IMAGE is the key element in the proof of which of the following A CP class=