AP EAMCET Engineering 22 Sep 2020 Shift 2 Paper

Let P=(h,k) be any point in the locus
let x,y-axes be two perpendicular lines
∴ Distance from P(h,k) to X-axis =1 (given)
|k|=1
Distance from P(h,k) to Y-axis =1⇒|h|=1
According to the question, |h|+|k|=l
∴ The locus of point (h,k) is |x|+|y|=1
∴ It is a square