[tex]A = (-2,-4) \ \ \ i \ \ \ B = (5,-3)\\\\A = (x_{A}, y_{A}) \ \ \ i \ \ \ B = (x_{B}, y_{B})\\\\a = |AB| = \sqrt{(x_{B}-x_{A})^{2} + (y_{B}-y_{A})^{2}}\\\\a = |AB| = \sqrt{(5-(-2))^{2}+(-3-4)^{2}}} = \sqrt{7^{2}+(-7)^{2}}=\sqrt{49\cdot2} = 7\sqrt{2}\\\\\\h = \frac{a\sqrt{3}}{2} = \frac{7\sqrt{2}\cdot\sqrt{3}}{2} = \frac{7\sqrt{2\cdot3}}{2} = \frac{7\sqrt{6}}{2}\\\\Odp. \ C)[/tex]
