Recent content by Peking Man

- the teacher said, the Law of Cosines or Law of Sines is enough to solve the problem, but how? ---------- Post added at 11:29 PM ---------- Previous post was at 11:21 PM ---------- Area = (ab/2)sin C = (ac/2)sin B = (bc/2)sin A, and a = b = c. the only missing value is the side of the...

Given an equilateral triangle ABC, P is any point inside it where PA = 3, PB = 4 and PC = 5. Find area of the triangle using the Law of Sines or Law of Cosines.