Question

If BC = 9 and CD = 29, find AC.38 Squared Root 3 Radical 29 38261

Answer 1

$\Delta ABC\sim\Delta DAC\\\\then\\\\\frac{|AC|}{|BC|}=\frac{|CD|}{|AC|}\\\\|AC|^2=|BC|\cdot|CD|\\\\|AC|^2=9\cdot29\\\\|AC|=\sqrt{9\cdot29}\\\\|AC|=3\sqrt{29}$