Question

If equation of line is x + y=2 then find the perpendicular distance of line from origin.

(a) √2

(b) √3

(c) 1/√2

(d) 1/√3

This question was addressed to me in semester exam.

I'm obligated to ask this question of Distance of a Point from a Line in division Straight Lines of Mathematics – Class 11

Answer 1

Correct choice is (a) √2

To elaborate: Given equation is x + y=2. Reducing the above equation to normal form

(x + y)/√2 =√2.

x cos⁡45° + y sin 45° = √2

Perpendicular distance from origin is √2.