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pyroxylin
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Pythagoras’ theorem
Pythagoras' theorem


noun 
Definition:
 
rule about sides of triangle: a proved geometric proposition stating that the square of the longest side hypotenuse of a right-angled triangle is equal to the sum of the squares of the other two sides
Encarta® World English Dictionary [World English Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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