Core Mathematics - Pythagoras' theorem
This learning resource covers Pythagoras' theorem and similar figures as
well as surface area and volume.
Let's begin with Pythagoras' theorem. Pythagoras' theorem states that for
a right-angled triangle with side lengths a, b and c as shown.
a+ b= c
A hiker walks 7km south and then 5km east. The hiker then walks directly
back to his starting point as shown in the diagram.How far has the hiker
walked in total?
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