Problem
The formula for the area of a regular polygon is $A=\frac{1}{2} a p$. What is the equation solved for $a$ ? $a=2 A$ $a=2 A-p$ $a=\frac{2 p}{A}$ $a=\frac{2 A}{p}$
Solution
Step 1 ：Given the formula for the area of a regular polygon: \(A = \frac{1}{2}ap\)
Step 2 ：Solve for \(a\): \(a = \frac{2A}{p}\) \(\boxed{a = \frac{2A}{p}}\)
