Grade 12th passTrigonometryif ∆ is the area and 2s is the perimeter of a triangle then ∆ Devik 8 Years agoGrade 12th pass
Arun8 Years agoDear student We can use Heron's formulaArea of triangle = = s(s-a)(s-b)(s-c) RegardsArun (askIITians forum expert)