Surface Area and Triangular Prisms

The video tutorial explains how to calculate the surface area of prisms, focusing on triangular prisms. It begins with an introduction to polygons and prisms, followed by detailed examples of calculating the surface area of both large and small triangular prisms. The tutorial emphasizes the importance of understanding these calculations for various professions and concludes with a review.

What is a polygon?

• A shape with only straight lines

• A shape with no sides

• A shape with dots and lines connecting them

• A shape with curved lines

How is a prism formed from a polygon?

• By folding the polygon

• By rotating the polygon

• By stretching the polygon

• By shrinking the polygon

What is a rectangular prism?

• A prism formed by stretching a rectangle

• A prism with triangular bases

• A prism with circular bases

• A prism with no bases

What is the first step in calculating the surface area of a prism?

• Calculate the volume

• Find the perimeter

• Measure the height

• Calculate the area of each side

How do you find the total surface area of a prism?

• Multiply the areas of all sides

• Divide the areas of all sides

• Subtract the areas of all sides

• Add up the areas of all sides

What is the area of one of the big triangles in the large triangular prism?

• 16.5 square inches

• 8.25 square inches

• 9 square inches

• 45 square inches

How many big triangles are there in the large triangular prism?

• Three

• Four

• Two

• One

What is the total surface area of the large triangular prism?

• 61.5 square inches

• 45 square inches

• 16.5 square inches

• 34.5 square inches

What is the base length of the big triangle in the large triangular prism?

• 3 inches

• 5.5 inches

• 8.25 inches

• 9 inches

What is the height of the big triangle in the large triangular prism?

• 9 inches

• 8.25 inches

• 5.5 inches

• 3 inches