triangle
- noun
- /ˈtraɪæŋɡəl/
- Specialized
- To draw the roof's angles accurately, I grabbed my metal triangle from the toolbox.
Examples
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In order to prepare for that calculation, it is important to have a quick refresher on triangles.
Academic text (2011) -
Getting somewhere and then what you want to do is just make sure that the triangle and your line connect.
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So let's say all of these are at one unit out, and then we want to draw another triangle on top.
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Part of an envelope rose above a cabinet in a neat isosceles triangle.
Fiction book (1992) -
The "triangle" line draws a triangle to the canvas, rotated and colored.
Blog text (10) -
So to draw a triangle for Theta, we need to get rid of this cosine inverse.
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He's drawing a triangle.
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The alternation of red and white concentric stripes within the triangles enhances this effect.
Academic text (1990) -
The architect used a plastic triangle to ensure the lines of the drawing were perfectly straight.
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In geometry class, we learned to measure angles using a triangle that had 30°, 45°, and 60° marks.
Compounds
An area of sea between Miami, Bermuda, and Puerto Rico where ships and planes are said to disappear
- Informal
A part of a project where tasks, decisions, or resources disappear and never get done
- Specialized
Triangle with a right angle whose sides are whole numbers and follow a^2 + b^2 = c^2
- Specialized
A triangle that has all sides of different lengths and all angles of different sizes
A small group of three bright stars in the southern sky near Circinus and Apus
Surface Forms
Morphology
Etymology
Triangle (the drawing tool) is named for its three-sided shape and its work with angles, made of tri- 'three' and angle 'corner', so the tool helps you draw exact angles and straight lines.