Geometry and trigonometry

Distance formula

The Pythagorean relationship used to find straight-line distance between two coordinate points.

Common notationd=√((x₂−x₁)²+(y₂−y₁)²)

In one sentence

What does Distance formula mean?

The Pythagorean relationship used to find straight-line distance between two coordinate points.

How it is written

d=√((x₂−x₁)²+(y₂−y₁)²)

A compact example

The distance from (0,0) to (3,4) is 5.

Other names and search terms

Euclidean distance.

Where this fits

When should you learn Distance formula?

The first encounter is not the final level. Many ideas begin visually, become computational in high school and become formal in college.

  1. 1Pre-high schoolUsually introduced
  2. 2High schoolGreater depth
  3. 3CollegeGreater depth
  4. 4AdvancedGreater depth
Typical subjects
  • Geometry
  • Trigonometry
Know first
  • Arithmetic
  • Measurement
What it unlocks
  • Vectors
  • Waves
  • Coordinate geometry

Clear answers

Questions about Distance formula

What does Distance formula mean in mathematics?

The Pythagorean relationship used to find straight-line distance between two coordinate points.

How is Distance formula written?

A common notation is d=√((x₂−x₁)²+(y₂−y₁)²).

What is an example of Distance formula?

The distance from (0,0) to (3,4) is 5.

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