Comments - G-Kay

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//The whole size of the maps is 6 x 6 km. The firs map is 2 x 2 km (canyon, Jungle) and the second one is // 4 x 4 km (Savannah, Serengeti).
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The wohle size is not 6 x 6 km hehe ...
A1 = 6km x 6km = 36km²

A2 = 2km x 2km = 4km²
A3 = 4km x 4km = 16km²

A2 + A3 <> A1

A2 + A3 = A4 = 20km²

sqrt(20km²) = 4,72...km²

Whole Map = 4,72...km x 4,72...km

:D