Answer:
RECTANGLE: 20CM, 28CM
TRIANGLE: 20CM, 18CM
TRAPEZOID: 10CM, 46CM, 28CM
Explanation:
I just did it
The most important thing that the designers should take into account are the potential earthquakes - the buildings should be able to withstand the shaking of the ground.
Additionally, Earthquakes often lead to fires, so the buildings should also be fire-proof; especially not made of wood.
Finally, the possibility of a tsunami should be considered.
