Answer
Exact: $A$ $=$ $9$$π$$ft^2$
Approximate: $A$ $=$ $28.26$$ft^2$
Work Step by Step
To find the area of a cirlce, use the formula for it: $A$ $=$ $π$$r^2$
We are asked to find both the exact and approxiamte area. To find the exact area, use $π$ for $π$, not $3.14$. For the approximate area, use $3.14$ for $π$.
Exact area:
$π$ $=$ $π$
$r$ $=$ $3$
$A$ $=$ $π$$3^2$
$A$ $=$ $π$$9$
$A$ $=$ $9$$π$$ft^2$
Approximate area:
$π$ $=$ $3.14$
$r$ $=$ $3$
$A$ $=$ $(3.14)$$(3^2)$
$A$ $=$ $(3.14)$$(9)$
$A$ $=$ $28.26$$ft^2$
