CPM Homework Help : GC Problem 8-109

Match each regular polygon named on the left with a statement about its qualities listed on the right.

regular hexagon
Hint (a):
$\text{Interior angle}=\frac{180^{\circ}(n-2)}{n}=\frac{180^{\circ}(6-2)}{6}$
regular decagon
Hint (b):
$\text{Central angle}=\frac{360^{\circ}}{10}$
equilateral triangle
Hint (c):
$\text{Exterior angle}=\frac{360^{\circ}}{3}$
square
Hint (d):
$\text{Exterior angle}=\frac{360^{\circ}}{4}$