Volume of Cylinders, Cones and Pyramids

 Select all that apply.

In order to solve for the radius in a formula with  $r^2$  , use the ____________   button on the calculator.

• cubic root

• square root

• tree root

• 

The volume of a cylinder is $226.08\ ft^3$  and the radius is  $6\ ft.$  What is the height? Use  $\pi\approx3.14.$ 

•  $h\ =9\ ft$  

•  $h=36\ ft$  

•  $h=2\ ft$  

•  $h\ =\ 12\ ft$  

The volume of a cone is  $1,436.03\ ft^3.\ \$  It's radius is  $7\ ft.$  Solve for the height. Use  $\pi\approx3.14.$ 

•  $h=12\ ft$  

•  $h=28\ ft$  

•  $h\approx3.5\ ft$  

•  $h\ =\ 14\ ft$  

Find the radius of a sphere with a volume of  $3,053.63\ in^3.$  Use  $\pi\approx3.14.$ 

•  $9\ in.$  

•  $6.2\ in.$  
  
  
  

•  $31.2\ in.$  

•  $18\ in.$  

The volume of a cylinder is  $15,919.8\ cm^3.$  If the height is  $30\ cm$  , what is the radius? Use  $\pi\approx3.14.$ 

•  $r=15.6\ cm$  

•  $r=84.5\ cm$  

•  $r=169\ cm^2$  

•  $r=13\ cm$  

The volume of a cone is   $2,307.9\ mm^3$  and the height is  $5\ mm$ .  What is the radius? Use  $\pi\approx3.14.$ 

•  $r=147\ mm$  

•  $r=47\ mm$  

•  $r=\ 441\ mm$  

•  $r=21\ mm$  

The volume of a sphere is  $113.04\ ft^3$ .  Solve for the radius. Use  $\pi\approx3.14.$ 

•  $r=9\ ft$  

•  $r=3\ ft$  

•  $r=5.2\ ft$  

•  $r=12\ ft$  

What is the formula for volume of a CONE?

• V = π r²
• V = π r² h
• V =  ⅓ π r² h
• V =  ⅓ L W H

What is the volume formula for a sphere?

• V = (4 ∕ 3)πr³
• V = (1 ∕ 3)πr²h
• V = πr²h
• V = (1 ∕ 3)Bh

What is the formula for volume of a CYLINDER?

• V = π r²
• V = π r² h
• V =  ⅓ π r² h
• V =  ⅓ L W H