Perimeter and Area of Rectangles

The video tutorial by Instructor Beats covers the concepts of area and perimeter, focusing on how to use the area of a rectangle to determine possible perimeters. The lesson begins with definitions of perimeter and area, followed by an exploration of factors and arrays. Two example problems are solved: one with a rectangle of 12 square meters and another with 84 square feet. The video concludes with a summary and an invitation to explore additional resources.

What is the main objective of the lesson?

• To use area to determine possible perimeters.

• To calculate the volume of a rectangle.

• To find the diagonal of a rectangle.

• To understand the concept of symmetry.

What does the term 'perimeter' refer to?

• The volume of a 3D shape.

• The total area of a figure.

• The diagonal length of a rectangle.

• The total length around the edges of a figure.

What is the meaning of 'area' in geometry?

• The number of unit squares that cover the surface of a figure.

• The volume of a 3D shape.

• The length of the longest side of a figure.

• The total perimeter of a figure.

What are the factors of 14 used to create arrays?

• 1 and 14, 2 and 7

• 3 and 5, 4 and 6

• 2 and 8, 3 and 9

• 5 and 10, 6 and 12

How many different arrays can be made for a rectangle with an area of 12 square meters?

• Four

• Three

• Two

• One

What is the perimeter of a rectangle with dimensions 1 by 12?

• 30 meters

• 24 meters

• 26 meters

• 28 meters

What pattern is observed when the factors of a rectangle's area get closer together?

• The perimeter decreases.

• The area changes.

• The perimeter increases.

• The shape becomes a square.

What is the perimeter of a rectangle with dimensions 7 by 12?

• 38 feet

• 40 feet

• 42 feet

• 44 feet

What is the first step in solving the problem with an area of 84 square feet?

• Measure the sides.

• Calculate the volume.

• Draw a diagram.

• Find the factors of 84.

Which factor pair of 84 gives a perimeter of 38 feet?

• 1 and 84

• 2 and 42

• 7 and 12

• 3 and 28