Volume Of Cylinders

Volume Of Cylinders

Open Ended

How do you find the area of a circle? What formula do you use?

 $V\ =\ \pi r^2h$  

• Plug in what you know...

•  $V\ =\ \left(3.14\right)\left(3^2\right)\left(6\right)$  

•  $V\ =\ 3.14\ \cdot\ 9\cdot6$  

•  $V\ =\ 56\ \cdot\ 3.14$  

•  $V\ =\ 175.8\ m^3$  

 $V\ =\ \pi r^2h$  

• Is the radius 10?

• Plug in what you know...

•  $314\ =\ \pi\left(5\right)^2h$  

•  $314\ =\ 3.14\cdot25\cdot h$  

•  $314\ =\ 78.5\ \cdot\ h$  

•  $\frac{314}{78.5}=\ \frac{78.5h}{78.5}$  

•  $4\ in=\ h$  

We need to find the volume of the empty space in the jar.

• Volume of entire jar - volume of the salsa

•  $V\ =\ \left(V\ jar\right)-\left(V\ Salsa\right)$  

•  $V\ =\ \left(\pi r^2h_1\right)-\left(\pi r^2h_2\right)$  

•  $V\ =\left(3.14\cdot5^2\cdot10\right)-\left(3.14\cdot5^2\cdot4\right)$  

•  $V\ =\ 785\ -\ 314$  

•  $v\ =\ 471\ cm^3$  

Fill in the Blank

Find the volume of the cylinder. Round your answer to the nearest tenth.

Fill in the Blank

Find the volume. Round to the nearest tenth.

Fill in the Blank

Find the missing dimension. Found to the nearest WHOLE number.