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Question
On a map drawn to a scale of 1:25000, a rectangular plot of land has sides 12cm x 16cm. Calculate: The area of the plot in sq km
Solution
scale = 1:25000
Area ABCD
= 12 x 16 x 25000 x 25000cm2
= `(12 xx 6 xx 25000 xx 25000)/(100 xx 1000 xx 100 xx 1000)`km
= `(120000)/(10000)`km2
= 12km2.
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