A map of an island is shown at right. Each unit of length on the grid represents
Determine the actual dimensions of the island (the overall width and length).
What is the overall width and length in square units?
square units by square units
Now solve for the actual dimensions of the island.
Calculate the area of the shape at right and the actual area of the island.
Use the answer to hint (a) to solve the first part of the question.
area of island