# right triangle

noun
1.
a triangle having a right angle (contrasted with oblique triangle).
Origin of right triangle
1920-1925
1920-25
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for right triangle
• The hypotenuse of a right triangle is not always the shortest distance between the two points that define it.
• The cosine function is simply the ratio of the sides a and c in the diagram below of a right triangle.
• Draw a right triangle with the given leg length on dot paper.
• Students can do this, using the right triangle cutouts.
• The hypotenuse is the longest side of a right triangle.
• One leg of a right triangle exceeds the other leg by four inches.
• Height can be measured using a number of devices, the simplest being a right triangle.
• It is open at the top with a right triangle at each end.
• They should also be able to perform calculations involving similar figures including right triangle trigonometry.
• Knowing how to find the area of a right triangle extends to all right triangles.
British Dictionary definitions for right triangle

## right triangle

noun
1.
(US & 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 & Unabridged 2012 Digital Edition
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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right triangle in Science
 right triangle   A triangle having a right angle.
The American Heritage® Science Dictionary
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right triangle in Culture

### right triangle definition

A triangle that contains a right angle.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
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### Difficulty index for right triangle

Few English speakers likely know this word

### Word Value for right

9
9
Scrabble Words With Friends