Perimeter and Properties of Shapes

This video tutorial covers the concept of perimeter in geometry, explaining how to calculate it for various shapes like rectangles and squares. It also addresses more complex figures with missing sides and introduces the concept of symmetry, including bilateral and rotational symmetry. The tutorial provides practical examples and exercises to enhance understanding.

What is the perimeter of a shape?

• The volume of the shape

• The distance around the shape

• The diagonal of the shape

• The area inside the shape

How can you calculate the perimeter of a rectangle?

• Multiply the length by 4

• Multiply the length by the width

• Add all the side lengths

• Add the length and width

What is another method to find the perimeter of a rectangle?

• 4 times the length

• 2 times the length plus 2 times the width

• Length times width

• Length plus width

What is the perimeter of a rectangle with length 12 and width 7?

• 42

• 24

• 38

• 19

What is the perimeter of a rectangle with length 15 and width 10?

• 70

• 80

• 60

• 50

What is the perimeter of a rectangle with length 8 and width 5?

• 38

• 34

• 30

• 26

What is the perimeter of a rectangle with length 20 and width 15?

• 70

• 60

• 90

• 80

What is the perimeter of a rectangle with length 25 and width 20?

• 110

• 100

• 90

• 80

What is the perimeter of a rectangle with length 30 and width 25?

• 100

• 130

• 120

• 110

What is the perimeter of a rectangle with length 35 and width 30?

• 130

• 120

• 150

• 140