dimensions of scale model is 18/4 by 16/4
or 9/2 by 4
area = (9/2)(4) = 18 ft^2
The dimensions of a rectangular dining room are 18 feet by 16 feet. If a scale factor of One-fourth is used to make a scale model of the dining room, what is the area of the dining room in the scale model?
3 answers
since the area changess by the square of the scale factor, the new area is
(18*16)(1/4)^2 = 18 ft^2
(18*16)(1/4)^2 = 18 ft^2
18 ft^2