The word "triangular" is correct and usable in written English.
You can use the word "triangular" to describe something that has three sides and three angles, typically used to describe shapes. For example: "The artist painted a triangular picture on the canvas."
In the areas these few thousand men control, they have tried to ban samosas on the grounds that their triangular shape invokes the holy trinity.
Standing like a gigantic triangular slice of wedding cake, this building will accommodate 1.2m more worshippers each year, but it has come at a price.
Triangular graphic designs … materials sewn over each other … using a hole-punch to make holes in the material.
The 33-year-old, who has endured a chronic back problem in the last few years, was forced to return home early from the triangular series with South Africa and Zimbabwe after suffering a recurrence of a hamstring injury.
Close to the path a male adder basked on a rock, his triangular markings a shock of modern design against the pale, uniform surface.
When complete, this gargantuan triangular slab, which sprawls out to the north like a slice of marble-encrusted wedding cake, will more than double the capacity of the mosque to 1.2 million worshippers, with 52 entrance gates, 120 elevators and four new minarets.
Today, the community is made up of around 600 families, packed close together on a long, triangular strip of land between two metropolitan railway lines in central São Paulo.
The delusion that Pakistan was, for all its trickiness, basically "on our side" made it almost impossible to achieve a lasting victory against the Taliban.Now co-operateMuch now depends on whether Pakistan, Afghanistan and America see the need to improve their fraught triangular relationship.
Each of these observatories will sit at one corner of a triangular study area with sides up to 62km long, the other corners of which are occupied by fixed daughter stations.
This reticence may reflect a fear of losses among already demoralised troops, wary of being trapped with heavy equipment in the ancient city's warren of streets.In this section The need for triangular co-operation An ever-lonelier leader Who will come out on top?
The explanation might lie in the complex triangular choreography of Anglo-American-Israeli Anglo-American-Israeli Anglo-American-Israelically "European" leadiplomacying for Israel to offer concessions to the Palestinians and playing up his differences with America, Israel's main ally.First
