Select a standard
HSG‑SRT.D.9
(+)Derive the formula A = 1/2 ab \sin(C) for the area of a triangle by drawing an auxiliary...
HSG‑SRT.D.10
(+)Prove the Laws of Sines and Cosines and use them to solve problems.
HSG‑SRT.D.11
(+)Understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in...