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The-equations-of-the-sides-AC-BC-and-AB-of-a-right-angled-triangled-with-lengths-a-b-and-c-are-y-7-x-11-and-4x-3y-5-0-respectively-Find-the-equation-of-the-inscribed-circle-of-the-triangle-i




Question Number 175237 by nadovic last updated on 24/Aug/22
The equations of the sides  AC, BC  and AB of  a right−angled triangled  with lengths a, b and c are y = −7,  x=11 and 4x−3y−5=0 respectively.  Find the equation of the inscribed  circle of the triangle, if its radius r,  is given by r = ((a+b−c)/2).
$$\mathrm{The}\:\mathrm{equations}\:\mathrm{of}\:\mathrm{the}\:\mathrm{sides}\:\:\mathrm{AC},\:\mathrm{BC} \\ $$$$\mathrm{and}\:\mathrm{AB}\:\mathrm{of}\:\:\mathrm{a}\:\mathrm{right}−\mathrm{angled}\:\mathrm{triangled} \\ $$$$\mathrm{with}\:\mathrm{lengths}\:{a},\:{b}\:\mathrm{and}\:{c}\:\mathrm{are}\:{y}\:=\:−\mathrm{7}, \\ $$$${x}=\mathrm{11}\:\mathrm{and}\:\mathrm{4}{x}−\mathrm{3}{y}−\mathrm{5}=\mathrm{0}\:\mathrm{respectively}. \\ $$$$\mathrm{Find}\:\mathrm{the}\:\mathrm{equation}\:\mathrm{of}\:\mathrm{the}\:\mathrm{inscribed} \\ $$$$\mathrm{circle}\:\mathrm{of}\:\mathrm{the}\:\mathrm{triangle},\:\mathrm{if}\:\mathrm{its}\:\mathrm{radius}\:{r}, \\ $$$$\mathrm{is}\:\mathrm{given}\:\mathrm{by}\:{r}\:=\:\frac{{a}+{b}−{c}}{\mathrm{2}}. \\ $$

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