Question

what is Meant by Trigono

Answer 1

it should be trigonometry

then your answer is

Trigonometry, the branch of mathematics concerned with specific functions of angles and their application to calculations.

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Answer 2

Trígono (, , meaning "triangle") is a former municipality in the Evros regional unit, East Macedonia and Thrace, Greece. Since the 2011 local government reform it is part of the municipality Orestiada, of which it is a municipal unit. Its population is 6,656 (2001 census). The seat of the municipality was in Dikaia. The municipality was created in 1997 under the Capodistrian Plan. Its area is 392.538 km². Trigono is the country's northernmost municipal unit, situated in the triangle between the rivers Evros and Ardas. It borders Bulgaria to the north and west, and Turkey to the northeast. The nearest cities are Svilengrad (Bulgaria) to the north, Edirne (Turkey) to the east and Orestiada to the southeast. The area consists mainly of low hills, with plains in the river valleys, and higher elevations up to 400 m towards the west.

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