eamcet maths formulae with examples
e Formula Slope of line through (x₁, y₁) and (x₂, y₂): m = (y₂ - y₁) / (x₂ - x₁) Example: Slope between (1, 2) and (3, 8): m = (8 - 2) / (3 - 1) = 6/2 = 3 Geometry: Circles, Triangles, and Their Formulae Circle Formulae Radius (r) from area: r = √