The plan of a survey plotted to a scale of 10 m to 1 cm is reduced in such a way that a line originally 10 cm long now measures 9 cm. The area of the reduced plan is measured as 81 cm2. The actual (m2) of the survey is
Options
A. 10000
B. 6561
C. 1000
D. 656
Correct Answer
10000
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