**Problem : **
How many central angles are there in a regular hexagon, and what is the measure
of each?

**Problem : **
If the apothem of a regular triangle is 3, and the base is 4, what is the area
of the triangle?

**Problem : **
A regular polygon has area 40 and apothem 8. What is its perimeter?

**Problem : **
A square has apothem 3. What is its area?

**Problem : **
What is the area of a regular polygon with apothem 6 and side length 12?