CBSE · Class 6-12

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Class 10 · Mathematics (Standard) · Unit 7: Coordinate Geometry

Distance Formula

Lesson 2 of 6

Between

A(x_1, y_1)

and

B(x_2, y_2)

:

AB = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

. Derivation uses Pythagoras on the right triangle with horizontal and vertical legs

|x_2 - x_1|

and

|y_2 - y_1|

.

Coordinate Plane

Section Formula

All lessons in this unit