Calculating the length of a line segment
Lesson 10 / 14
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Lesson outcome
I can calculate the length of a line segment on a coordinate grid in all four quadrants or using the coordinate pairs.
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Any line segment can be turned into a right-angled triangle by adding two lines which meet at 90°
Calculating the horizontal distance gives the length of one side
Calculating the vertical distance gives the length of the other side
These two shorter sides lengths can be used to calculate the length of the line segment
This can be done using Pythagoras' theorem
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This content is by Cashar and published under an open licence.