All ISEE Upper Level Quantitative Resources
Example Question #1 : How To Find Area
The above rectangle, which has perimeter 360, is divided into squares of equal size. Give the area of the shaded portion.
The sides of the rectangle, in total, are divided into 18 segments of equal measure, as indicated below:
The rectangle has a total perimeter of 360, so each segment - one side of a square - measures . Each square has area , so the shaded portion of the rectangle, which comprises seven squares, has area