Line segments (Edexcel GCSE Maths): Flashcards

Straight line section connecting two specific points

Line segment has definite start and end points

Pythagoras' theorem

$d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}$

The hypotenuse

Subtract x-coordinates

Subtract y-coordinates

Only positive values

Same as adding a positive number

Cannot be negative

Helps visualise problem and prevent errors

Gain method marks even if answer is wrong

2 decimal places