Ответ:

  1. \(\sqrt{12}=\sqrt{4\cdot3}=2\sqrt3\).
  2. \(\sqrt{45}=\sqrt{9\cdot5}=3\sqrt5\).
  3. \(\sqrt{363}=\sqrt{121\cdot3}=11\sqrt3\).
  4. \(\sqrt8=\sqrt{4\cdot2}=2\sqrt2\).
  5. \(\sqrt{72}=\sqrt{36\cdot2}=6\sqrt2\).
  6. \(\sqrt{162}=\sqrt{81\cdot2}=9\sqrt2\).
  7. \(\sqrt{48}=\sqrt{16\cdot3}=4\sqrt3\).
  8. \(\sqrt{20}=\sqrt{4\cdot5}=2\sqrt5\).
  9. \(\sqrt{1152}=\sqrt{576\cdot2}=24\sqrt2\).