Question

$\huge \fbox \red{❥ Question}$


Let s denote the semi-perimeter of a triangle ABC in which BC = a, CA = b, AB = c. If a circle touches the sides BC, CA, AB at D, E, F, respectively, prove that BD = s – b.​

Answer 1

$\huge \sf {\purple{\underline {\pink {\underline { Answer᭄\ }}}}}$

kindly see attached picture

${\huge{\underline{\small{\mathbb{\red{HOPE\:IT\:HELPS\:UH :)}}}}}}$