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Answer:the answer is C

Step-by-step explanation:

the correct answer is option C

What is triangle?

A triangle is a polygon with three edges and three vertices. it is one of the simple shapes in geometry. A triangle with vertices A, B, and C is denoted as triangle ABC. In Euclidean geometry, any three points, while non-collinear, determine a unique triangle and simultaneously, a completely unique plane.

  • area: ½ × base × height
  • Perimeter: sum of side lengths of the triangle
  • number of vertices: 3
  • number of edges: 3
  • internal angle: 60° (for equilateral)
  • Sum of interior angles: 180°

Learn more about triangle here

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