Grade 11AlgebraPolar coordinate of vertices of a triangle are O(0,0), A(3,π/2) ,B(3,π/6) , then this triangle is a equilateral triangle.Explain???? Nitin Kumar 9 Years agoGrade 11
npcyh9 Years agosee the slopes of lines and then find angle between them. if all the three are 60degree then equilateral