Equations Index

# Distance Formulas & Calculator

The distance formula can be calculated using one of the following 2 formulas: one if you know the value for the speed "s" and time "t", another if you know the two points in the plane.

## Formula Knowing the Speed "s" and the Time "t"

If you know the speed and time calculate the distance using the following formula:

$$d = s * t$$

Speed "s" and Time "t" Value and Result

Equation Result

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### Where:

$$s = "Speed Value"$$
$$t = "Time Value"$$
$$d = "Distance Value"$$

## Formula Knowing the Point in the Plane

If you know the value of the two points in the plane, you can calculate the distance using the following formula:

$$d = sqrt((x2-x1)^[2] + (y2-y1)^[2])$$

x1, x2, y1, y2 Value and Result

Equation Result

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### Where:

$$(x1, y1) = "first point coordinate"$$
$$(x2, y2) = "second point coordinate"$$
$$d = "distance value"$$

## Equation Definition

It is an equality which has at least one unknown value that must be cleared, these unknowns values are represented by letters.

## Formula Definition

It is a representation of a rule or a general principle using letters. (Algebra, A. Baldor)
When describing formulas in plural, it is also valid to say "formulae".

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