We have a drawing scale where each 1 in in the drawing represent 6 ft in actual size.
If the square has an actual area of 144 ft^2, then the drawing can be calculated as:
[tex]\begin{gathered} A_a=a\cdot b=144 \\ A_d=(k\cdot a)\cdot(k\cdot b)=k^2(a\cdot b)=k^2\cdot A_a=144\cdot k^2 \end{gathered}[/tex]Ad: area in drawing. Aa: actual area.
The scale is 1 in per 6 ft, so k is:
[tex]k=\frac{1\text{ in}}{6\text{ ft}}[/tex]We can calculate the area in the drawing as:
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