# Can someone explain really clearly how to do the Pythagoras theory ??

### Ciara Daniels

3+ years teaching Maths

Imagine on a right angled triangle, you put a square attached to each side. The area of the two smaller squares added together is the area of the larger square. This can be done more practically by looking at one side of that square (I.e each line of the triangle). Therefore, if you 'square' each of the smaller sides (called a or b here - by multiplying each side by itself) and add them together you get the length of the long side (the hypotenuse - c) when it is also squared. AxA + BxB = CxC.

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