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Distance between two points

vCalc Reviewed
Last modified by
on
Jun 14, 2023, 5:06:54 PM
Created by
on
Nov 21, 2013, 5:09:49 PM
`d = sqrt ( (X_1 -X_2)^2 + (Y_1 - Y_2 )^2)`
`(X_1,Y_1)"The X and Y values of point 1"`
`(X_2,Y_2)"The X and Y values of point 2"`
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The Distance Between Two Points  calculator computes the linear distance between two points in a plane.

INSTRUCTIONS:  Enter the following:

  • (X1 , Y1)  This is the X and Y values for point 1 (e.g.  3.3  5.6)
  • (X2 , Y2)  This is the X and Y values for point 2. (e.g. 7.9  2.3)

Distance between Points (D): The calculator returns the distance between the points.  It assumes the units for the distance are the same units for the output.

The Math / Science

The formula for the distance between two points is:

       `D = sqrt( (X_1 - X_2)^2 + (Y_1 -Y_2)^2)`

where:

  • D is the distance between the two points.
  • X1 is the x coordinate of point 1
  • X2 is the x coordinate of point 2
  • Y1 is the y coordinate of point 1
  • Y2 is the y coordinate of point 2


A triangle is a polygon with three sides, three vertices (corners), and three angles. Triangles can be classified based on the lengths of their sides and the measures of their angles as follows:

By Side Lengths:

  • Equilateral Triangle: All three sides are equal in length.
  • Isosceles Triangle: Two sides are equal in length.
  • Scalene Triangle: All three sides have different lengths.

By Angle Measures:

  • Acute Triangle: All three angles are less than 90 degrees.
  • Right Triangle: One angle is exactly 90 degrees.
  • Obtuse Triangle: One angle is greater than 90 degrees.

The sum of the interior angles of any triangle always adds up to 180 degrees. 

Triangle Calculators


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