# Map scale

On a 1:1000 scale map is a rectangular land of 4.2 cm and 5.8 cm. What is the area of this land in square meters?

Result

S =  2436 m2

#### Solution:

$k = 1000/100 = 10 \ \\ a = 4.2 \cdot \ k = 4.2 \cdot \ 10 = 42 \ \\ b = 5.8 \cdot \ k = 5.8 \cdot \ 10 = 58 \ \\ S = a \cdot \ b = 42 \cdot \ 58 = 2436 = 2436 \ m^2$

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