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Naming the Polygon

Question 13Ho...

Question

Question 13
How many non-overlapping triangles can we make in an n-gon (polygon having n sides), by joining the vertices?
a) n - 1
b) n - 2
c) n - 3
d) n - 4

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Solution

The number of non-overlapping triangles in an n-gon = n - 2,
i.e. 2 less than the number of sides.

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Naming the Polygon

Standard VI Mathematics

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