Area of Triangle | Properties of Triangles | Trigonometry | ∆= area of triangle = 1/2 bc sin ⁡A

Area of Triangle | Properties of Triangles | Trigonometry | ∆= area of triangle = 1/2 bc sin ⁡A

∆ = area of ∆ABC

= 1/2 bc sin ⁡A= 1/2 ca sin ⁡B = 1/2 ab sin ⁡C

= √(s(s−a)(s−b)(s−c) )