Answer :
The most accurate name for this polygon is a) regular pentagon.
- A regular pentagon is a polygon with five sides and five angles.
- It is called "regular" because all of its sides and angles are equal.
- In a regular pentagon, each angle measures 108 degrees, and each side has the same length.
- It is a convex polygon, which means that all of its interior angles are less than 180 degrees.
- A concave pentagon, on the other hand, has at least one interior angle greater than 180 degrees.
So, the best answer is b. regular pentagon.
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