Answer
$\approx 222.22 \text{ ft}^2$
Work Step by Step
Convert by multiplying $\dfrac{1 \text{ ft}^2}{0.09 \text{ m}^2}$ to obtain:
$\require{cancel}
=20 \cancel{\text{ m}^2} \cdot \dfrac{1 \text{ ft}^2}{0.09 \cancel{\text{ m}^2}}
\\=\dfrac{20}{0.09} \text{ ft.}^2
\\\approx 222.22 \text{ ft}^2$
