Co-ordinate Geometry 10th (Distance Formula) Class NCERT AND CBSE, दूरी सूत्र.

Distance Formula between two

point P (x₁,y₁)and Q(x₂, y₂)

=√(x₂ -x₁)²+( y₂-y₁) ²

p(x₁,y₁) point on plane XY.

Q(x₂,y₂) point on plane XY.