### Home > INT2 > Chapter 12 > Lesson 12.2.4 > Problem 12-145

12-145.

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

square feet