Finding the Perimeter: Key Concepts and Techniques

What is the definition of perimeter?

• The length of one side of a shape

• The volume of a 3D figure

• The distance around a shape

• The area inside a shape

How do you calculate the perimeter of a rectangle?

• Multiply the length by the width

• Add the length and width

• Divide the length by the width

• Add all sides of the rectangle

What is the perimeter of a rectangle with sides 10 inches and 23 inches?

• 93 inches

• 66 inches

• 46 inches

• 33 inches

Why is it important to label the unit of measure in your final answer when calculating perimeter?

• To specify the measurement used

• To show the calculation is complete

• To make the answer look complete

• To indicate the shape's area

How many sides does a triangle have?

• 6

• 5

• 4

• 3

What is the perimeter of a triangle with sides 9 feet, 4 feet, and 10 feet?

• 13 feet

• 23 feet

• 19 feet

• 33 feet

What is the name of a six-sided figure?

• Rectangle

• Pentagon

• Hexagon

• Triangle

What is the perimeter of a hexagon with sides measuring 5, 8, 3, 3, 3, and 4 meters?

• 22 meters

• 26 meters

• 24 meters

• 30 meters

In a rectangular room, if one side is 23 feet and another is 32 feet, what is the perimeter?

• 110 feet

• 55 feet

• 65 feet

• 88 feet

What should you do if you encounter larger numbers while calculating perimeter?

• Ignore the units of measure

• Perform calculations on the side

• Only use mental math

• Estimate the answer