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Which shape is formed by three sides and three angles?

  1. Square

  2. Triangle

  3. Rectangle

  4. Hexagon

The correct answer is: Triangle

The shape formed by three sides and three angles is known as a triangle. Triangles are fundamental geometric figures in Euclidean geometry, characterized by having three vertices (corners) and three edges (sides) that are straight line segments. Each of the three angles within a triangle adds up to a total of 180 degrees. In contrast, a square and a rectangle have four sides and four angles, while a hexagon has six sides and six angles. Understanding the properties of these different shapes is essential in geometry, as it helps in recognizing the unique characteristics that define various polygons. This knowledge can be applied in many practical contexts, such as architecture, engineering, and graphic design.