**Problem : **
A regular polygon has 5 diagonals. What are the measures of its
exterior angles?

**Problem : **
A polygon has 7 vertices. How many diagonals does it have?

**Problem : **
If a polygon has n sides, how many diagonals can be drawn from a given
vertex?

**Problem : **
In the figure below, are angles x
and y
complementary?

**Problem : **
For what kind of polygon is the sum of the exterior angles equal to the sum of
the interior angles?

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