Question Number 169987 by cortano1 last updated on 13/May/22
Answered by greougoury555 last updated on 13/May/22
$${PT}_{\mathrm{1}} \:\equiv\:−\mathrm{32}{x}+\mathrm{30}{y}=\mathrm{254} \\ $$$${PT}_{\mathrm{2}} \:\equiv\:\mathrm{3}{x}−\mathrm{5}{y}\:=\:\mathrm{9} \\ $$$$\:\mathrm{tan}\:\alpha\:=\:\frac{\frac{\mathrm{16}}{\mathrm{15}}−\frac{\mathrm{3}}{\mathrm{5}}}{\mathrm{1}+\frac{\mathrm{48}}{\mathrm{75}}}\:=\:\frac{\mathrm{35}}{\mathrm{123}}\: \\ $$