SA of Pyramids and Cones

How do you find the lateral surface area of a cone?

•  $\pi rl$  

•  $\pi rl+\pi r^2$  

•  $\frac{1}{2}Pl$ 

•  $\frac{1}{2}Pl+B$ 

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

•  $\pi rl$  

•  $\pi rl+\pi r^2$  

•  $\frac{1}{2}Pl$ 

•  $\frac{1}{2}Pl+B$ 

What is the total surface area of the cone?

• 91.374 in²

• 56.52 in²

• 169.56 in²

• 28.3 in²

How do you find the lateral surface area of a pyramid?

•  $\pi rl$  

•  $\pi rl+\pi r^2$  

•  $\frac{1}{2}Pl$ 

•  $\frac{1}{2}Pl+B$ 

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

•  $\pi rl$  

•  $\pi rl+\pi r^2$  

•  $\frac{1}{2}Pl$ 

•  $\frac{1}{2}Pl+B$ 

What does the l in the cone and pyramid surface area formulas represent?

• Slant Height

• Height

• Length

• Perimeter

Both the pyramid and cone have a what?

• Slant height

• Circular base

• Triangular base

• Rectangular face

What is the total surface area of the pyramid? Round to the nearest hundredth.

• 1,024.01 square units

• 809.54 square units

• 1,065.54 square units

• 1,179.02 square units

A pyramid has a square base. Each side of the base is 9 cm. The slant height is 14 cm. What is the total surface area?

• 126 cm²

• 144 cm²

• 252 cm²

• 333 cm²

What is the lateral area?

• 449.88 mi²

• 1704 mi²

• 650.94 mi²

• 899.75 mi²