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    If it was a right-angled triangle then the 26cm side must be the hypotenuse since it's the longest side. So try using Pythagoras' and see if the theorem works for this triangle.
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    (Original post by Notnek)
    If it was a right-angled triangle then the 26cm side must be the hypotenuse since it's the longest side. So try using Pythagoras' and see if the theorem works for this triangle.
    Thanks!
 
 
 
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Updated: November 13, 2017
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