INTRODUCTION
A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted with ABC. Triangles are assumed to be two-dimensional plane figures, unless the context provides otherwise.
MEANING OF TRIANGLE
A triangle is a three-sided polygon, which has three vertices. It is a plane figure bounded by three straight lines. The length of the sides can vary but the length of the largest sides can’t be equal to or greater than the sum of the other two sides. The formula for calculating the area of triangle is: ½ base x height. The figure below shows the typical shape of a triangle. The sum total of all the interior angles in a triangle is 180o. Triangles are described by
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