# Formulas of Arc Length

Some important results and formulas regarding the Arc Length of the curve is listed here:

**1.** Arc length for Cartesian curve is given by

**2.** If the parametric form and is given, then

**3. **The arc length if the equation of a curve in polar system i.e., is given by

**4.** If the equation of the curve is given by, then arc length is given by