Length of a line segment (distance formula)

Questions at easy, medium and hard levels. Pick a level and get a fresh set every time, with instant feedback.

Learn it The distance between (x₁, y₁) and (x₂, y₂) is √((x₂ − x₁)² + (y₂ − y₁)²). It is the Pythagorean theorem with the horizontal and vertical distances as the legs.

Example: Distance from (1, 2) to (7, 10).

Δx = 6, Δy = 8.
√(36 + 64) = √100 = 10.

Loading questions…