The actual side lengths of Lafayette Square are 500ft by 800ft.
The map uses scale ratios to represent actual distance.
From the diagram (see attachment), we have:
length = 2.5 in
width = 4 in
The scale ratio is given as:
Scale: Actual = lin : 200 ft.
So, the actual length is:
length = 2.5 * 200 ft.
length = 500 ft.
And the actual width is:
width = 4 * 200 ft.
width = 800 ft.
Hence, the actual side lengths of Lafayette Square are 500ft by 800ft.
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