2022 Dec Business Mathematics and Logical reasoning and Statistics

Radha moves towards South-East a distance of $7\mathit{k}\mathit{m}$, then she moves towards West and travels a distance of $14\mathrm{km}$. from here she moves towards North -West a distance of $7\mathit{k}\mathit{m}$ and finally she moves a distance of $4\mathrm{km}$ towards east. How far is she now from the starting point?