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Pythagorus's theorem states that for any right angled triangle, the value of the square number of the hypotenuse (the longest side) is the sum of the square numbers of the other two sides

24 March 2011

For example, a triangle with the two shorter sides with values of 5 and 4cm you can work out the length of the hypotenuse by doing the following...

24 March 2011

So if you had a triangle where you only know the lengths of two of the sides, then you are able to work out the length of the missing side

24 March 2011

= +

24 March 2011

= 41

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= 16 + 25

24 March 2011

so h = 6.4

24 March 2011

and then h = the square root of 41

24 March 2011

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