The formula for the area of a regular polygon is $A=\frac{1}{2} a p$. What is the equation solved for $a$ ?
$a=2 A$
$a=2 A-p$
$a=\frac{2 p}{A}$
$a=\frac{2 A}{p}$

Answer

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Answer

Solve for $a$: $a = \frac{2A}{p}$ $\boxed{a = \frac{2A}{p}}$

Steps

Step 1 ：Given the formula for the area of a regular polygon: $A = \frac{1}{2}ap$

Step 2 ：Solve for $a$: $a = \frac{2A}{p}$ $\boxed{a = \frac{2A}{p}}$