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Nayland College - Mathematics

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Distance

Coordinates HOME | Achievement Objectives | Distance | Gradient | Rearranging | Equations | Parallel & Perpendicular | Collinear | Applications | Revision

Overview | Coordinates | Midpoint | Distance between points

Overview

Coordinate geometry combines graphing, geometry & algebra together

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Plotting Cordinates

Plotting Coordinate points

(x,y)

A(2,3)   B(-2,4)  C(-1,0)

Join ABC

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Midpoint of a line

Finding the coordinates of the midpoint of a line
 A(-2,4) B(2,-1)

Midpoint?

Coordinates

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Average the x and y values

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Line length

Finding the length of a line
A(-2,4) B(2,-1)

Pythagoras

Working?

Length?

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Use Pythagoras to find the line length

a2 + b2 = c2

 

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