Driehoek: Verskil tussen weergawes

206 grepe bygevoeg ,  1 jaar gelede
(Verwysing by te voeg)
 
==Verwysings==
*{{cite book
|title = Mathematical Handbook of Formulas and Tables
|first = Murray A
|language = Engels
|year = 1968}}
*{{cite book
|title = Oxford Study Mathematics Dictionary
|first = Frank
|last = Tampson
|publisher = Oxford University Press
|year = 1999
|location = Oxford
|isbn = 978-0-19-910997-5
|language = Engels}}
 
== Sien ook ==
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wysigings