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(Mathematics) US and Canadian a triangle one angle of which is a right angle. Also called (in Britain and certain other countries): right-angled triangle
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a triangle having a right angle (contrasted with oblique triangle).
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A triangle having a right angle.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||right triangle - a triangle with one right angle |
hypotenuse - the side of a right triangle opposite the right angle
oblique triangle - a triangle that contains no right angle
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