Question-209211

Question Number 209211 by SonGoku last updated on 03/Jul/24

Commented by A5T last updated on 03/Jul/24

$${AC}=\sqrt{{AB}^{\mathrm{2}} +{BC}^{\mathrm{2}} −\mathrm{2}{AB}×{BCcos}\mathrm{123}}\approx\mathrm{74}.\mathrm{738} \\ $$