Exploring Surface Area Calculations for Cylinders

The video tutorial explains how to calculate the surface area of a cylinder by summing the areas of its three faces: two circular bases and a rectangular lateral face. It provides two examples with different dimensions, demonstrating the use of formulas for the area of a circle and the circumference of a circle to find the total surface area.

How many faces does a cylinder have?

• 4

• 3

• 2

• 5

What formula is used to calculate the area of a circle?

• Pi * Diameter

• Pi * Radius squared

• Circumference * Height

• Length * Width

What does the lateral face of a cylinder resemble?

• A triangle

• A square

• A circle

• A rectangle

What mnemonic can help remember the formula for the lateral surface area of a cylinder?

• Bread and butter

• Apple pie

• Chicken noodle soup

• Pea in a pod

If the radius of a cylinder is 5 inches, what is the diameter?

• 5 inches

• 20 inches

• 10 inches

• 15 inches

How do you find the circumference of a circle?

• 2 * Pi * Diameter

• 2 * Pi * Radius

• Pi * Diameter

• Pi * Radius

What is the total surface area of a cylinder with a radius of 5 inches and height of 10 inches?

• 785 inches squared

• 157 inches squared

• 314 inches squared

• 471 inches squared

If the diameter of a cylinder is 8 inches, what is the radius?

• 16 inches

• 8 inches

• 2 inches

• 4 inches

What is the area of a circle with a radius of 4 inches using Pi as 3.14?

• 12.56 inches squared

• 25.12 inches squared

• 100.48 inches squared

• 50.24 inches squared

How do you calculate the lateral surface area of a cylinder?

• Circumference * Height

• Diameter * Height

• Pi * Radius squared

• Radius * Height