Surface Area of Cylinders

Lateral and surface area of cylinders

Objective: To find the lateral area and the surface area of cylinders

Multiple Choice

What is the formula for the area of a circle?

•  $\pi r^2$  

•  $\pi r$  

•  $2\pi r$  

Multiple Choice

What is the formula for the circumference of a circle?

•  $\pi r^2$  

•  $\pi r$  

•  $2\pi r$  

Multiple Choice

What is the formula for the area of a rectangle?

•  $s^2$  
  

•  $w\times l$  
  

•  $\frac{1}{2}bh$  
  

Multiple Choice

The surface area of prisms is....

• The lateral area

• The area of the two bases

• The sum of the lateral area plus the area of the two bases

Multiple Choice

What are the shapes you will get if you unroll a cylinder?

• Two circles

• A rectangle and a circle

• A rectangle and two circles

Multiple Choice

Which formula you will use to find the area of the top?

• $2\pi r$

• $\pi r^2$

• $2\pi r^2$

Multiple Choice

What is the relation between the area of the bottom and the area of the top?

• They both have the same area

• The area of the bottom is half of the top area

• There is no relation between both areas