The following is a $1:200$1:200 floor plan of a house. The homeowner wishes to add a dining room table, which is $250$250 cm long and placed where the$\times$×is marked on the floor plan.
What length should the table be drawn to in the floor plans?
On a house plan that has been drawn to a scale of $1:100$1:100, the building is drawn to a length of $158$158 mm. What is the actual length of the building?