$16\ cm^2$

$32\ cm^2$

$64\ cm^2$

$200.96\ cm^2$

$6\ ft^2$

$28\ ft^2$

$187\ ft^2$

$3,496\ ft^2$

$360\ km$

$324\ km$

$18\ km$

$20\ km$

$729\ mm^2$

$365\ mm^2$

$27\ mm$

There is not enough information to answer this question.

$4\ yd^2$

$12\ yd^2$

$16\ yd^2$

$32\ yd^2$

$16\ ft^2$

$18\ ft^2$

$32\ ft^2$

$36\ ft^2$

3.5 mi & 4.5 mi

2 mi & 3.5 mi

2 mi & 4.5 mi

There is not enough information to answer this question.

$3.5\ mi^2$

$7\ mi^2$

$9\ mi^2$

$81\ mi^2$

$2\ mi$

$3\ mi$

$6\ mi$

$18\ mi$

$21\ in^2$

$45\ in^2$

$70\ in^2$

$90\ in^2$

$4\ in^2$

$6.28\ in^2$

$12.56\ in^2$

$100.14\ in^2$