Let $A(h, k), B(1,1)$ and $C(2,1)$ be the vertices of a right angled triangle with $A C$ as its hypo

Question

Let $A(h, k), B(1,1)$ and $C(2,1)$ be the vertices of a right angled triangle with $A C$ as its hypotenuse. If the area of the triangle is 1 square unit, then the set of values which ' $k$ ' can take is given by\

Professor PC Thomas Classes · Answer

(a) : $\frac{1}{2} 	imes|k-1| 	imes 1=1 \Rightarrow k=-1,3$