### Home > CC1MN > Chapter 9 > Lesson 9.3.3 > Problem 9-109

This problem is a checkpoint for area and perimeter of polygons. It will be referred to as Checkpoint 9B.

For each figure below, find the area and the perimeter.

Check your answers by referring to the Checkpoint 9B materials materials located at the back of your book.

Ideally, at this point you are comfortable working with these types of problems and can solve them correctly. If you feel that you need more confidence when solving these types of problems, then review the Checkpoint 9B materials and try the practice problems provided. From this point on, you will be expected to do problems like these correctly and with confidence.

Answers and extra practice for the Checkpoint problems are located in the back of your printed textbook or in the Reference Tab of your eBook. If you have an eBook for *Core Connections, Course 1*, login and then click the following link: Checkpoint 9B: Area and Perimeter of Quadrilaterals and Triangles