assuming the window is circular
the formula of the area of a circle is
[tex]A=\pi\times r^2[/tex]where r is the radius(half diameter 22.25)
then repalcing
[tex]\begin{gathered} A=\pi\times(22.25)^2 \\ \\ A=1555.28 \end{gathered}[/tex]the area of the window is 1555.25 square inches
