Perimeter: Real-World Geometry Problems


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question 1 of 3

Joe is making pizza. He has enough crust to fill ONE of these three pans:

Pan A: A circular pan with a radius of 6 inches

Pan B: A rectangular pan with dimensions 10 x 12 inches.

Pan C: A rectangular pan with dimensions 9 x 13 inches

Joe hates the crusty bits on the edge of a piece of pizza, and wants the smallest amount of crust-edge possible. Which pan should he use?

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1. Ellen is knitting a triangular shawl, as shown in the picture. She plans to attach a lace ribbon all around the edge of the shawl. How many inches of lace ribbon does she need?


Joe is painting his house. When you paint the inside of a room with windows, you have to put tape all around the edges of the windows so the paint doesn't get on the windows, as shown in the picture.

Joe's bedroom has four windows. Each window measures four feet high by two feet across. How many feet of tape does Joe need?

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About This Quiz & Worksheet

Different formulas are used to determine the perimeter of a geometric shape. The quiz asks you to solve real-world perimeter problems, to determine the amount of a material needed to account for the perimeter of a shape, and to answer theoretical questions about perimeter.

Quiz & Worksheet Goals

These assessments test your ability to:

  • Use perimeter to determine which object should be used in a given situation
  • See how much material is needed to cover the perimeter of different items and spaces
  • Understand the formulas and ideas behind perimeter

Skills Practiced

The quiz and worksheet test you for these skills:

  • Problem solving - use the correct formulas to solve perimeter problems
  • Critical thinking - utilize information from real-world geometry problems to answer theoretical questions
  • Making connections - see how knowing ways to determine perimeter is a useful skill for everyday life

Additional Learning

Check out the lesson Perimeter: Real-World Geometry Problems to learn more about this subject. These objectives are covered in the lesson:

  • Determine perimeter for circles, triangles, rectangles, and squares
  • Break down complex perimeter problems into smaller parts
  • Calculate the material needed based on perimeter for different projects