Geometric plan

At what scale the building plan if one side of the building is 45m long and 12mm long on a plan?

Correct result:

M =  3750

Solution:

a=45 m→ mm=45⋅ 1000  mm=45000 mm b=12 mm  m=a/b=45000/12=3750  M=1:m M=3750

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