We have changed our privacy policy. In addition, we use cookies on our website for various purposes. By continuing on our website, you consent to our use of cookies. You can learn about our practices by reading our privacy policy.
© 2016 Shmoop University, Inc. All rights reserved.
Algebraic Expressions

Algebraic Expressions

Evaluating Formulas by Substitution Exercises

Example 1

Zach has a rectangular living room that measures 10 feet wide by 20 feet long. He's thought about bringing in some furniture, but he doesn't want to spoil the perfect rectangularness of it. In order to cover the floor of his living room with carpet, how many square feet of carpet does Zach need?

Example 2

Zach has a rectangular living room that measures 10 feet wide by 20 feet long. How much trim will Zach need if he wants to put trim all around the edge of the floor?

Example 3

What is the area of the triangle shown below? No fair guessing. We know what a lucky guesser you are.