3 years ago

If all of the diagonals are drawn from a vertex of an n-gon, how many triangles are formed?

Mathematics

2 answers:

Oduvanchick [21]3 years ago

7 0

Answer:

n-2

Step-by-step explanation:

emmainna [20.7K]3 years ago

5 0

The number of triangles formed by connecting one of the vertices to the rest of the vertices is equal to n - 2. The answer is the first choice. As you may observed, for the quadrilateral, we can form 2 triangles. For pentagon, we may form 3 triangles.

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