### Home > INT2 > Chapter 12 > Lesson 12.2.3 > Problem 12-112

12-112.

The design of the home is shown at right. If all measurements are in millimeters, what is the area of the diagram?

Separate the diagram into

rectangles and triangle. Find the area of these shapes and combine them to find the overall area.

Mr. Wallis takes his home design to the copier and enlarges it

. What is the area of the diagram now? Show how you know. The area increases by a factor of

.