A regional power grid map is drawn to a scale of $1:400000$. Find the actual distance of a transmi

Question

A regional power grid map is drawn to a scale of $1:400000$. Find the actual distance of a transmission line, in kilometres, represented by $12$ cm on the map. A solar farm is estimated to have a total area of $640$ $\mathrm{km}^2$. Find, in $\mathrm{cm}^2$, the area representing this solar farm on the grid map.

Accepted Answer

(a) $48$ km. (b) $40\text{ cm}^2$.

Congruence and Similarity - Map Scales

Congruence and Similarity - Map Scales

Solution:

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