Question Number 27667 by 786786AM last updated on 12/Jan/18
$$\mathrm{If}\:\mathrm{the}\:\mathrm{ex}−\mathrm{radii}\:\:{r}_{\mathrm{1}} \:,\:{r}_{\mathrm{2}} \:,\:{r}_{\mathrm{3}} \:\mathrm{of}\:\bigtriangleup{ABC} \\ $$$$\mathrm{are}\:\mathrm{in}\:\mathrm{HP},\:\mathrm{then}\:\mathrm{its}\:\mathrm{sides}\:\mathrm{are}\:\mathrm{in} \\ $$
Answered by Tinkutara last updated on 12/Jan/18
