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  • noun

Synonyms for triangle

something approximating the shape of a triangle

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a small northern constellation near Perseus between Andromeda and Aries


any of various triangular drafting instruments used to draw straight lines at specified angles

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a percussion instrument consisting of a metal bar bent in the shape of an open triangle

References in periodicals archive ?
In all the items, she consistently computed the area of triangle in the order of 1/2 x height x base instead of 1/2 x base x height, even though the latter is more conventional and certainly the one highlighted by the teacher.
If so, this approach of hers fitted into the progression that was intended in our design of the lesson--that students build on area of triangle in deriving the area of parallelogram and that they can henceforth use this decomposition as a mental tool for dealing with similar questions in future.
She then moved on to the next section on finding area of triangles.
The focus of the lesson was to use the area of triangles to find the area of a parallelogram.
Land surveying problems including area of triangles, rectangles, circles and trapeziums.