Volume of 3 Dimensional Figures

Is the red line a radius or diameter of the circle?

Is the red line a radius or diameter of the circle?

Which cylinder will have the greater volume? 

(Formula:  $V\ =\ \pi\cdot r^2\cdot h$  )

What is the volume of the cone? 

(Formula:  $v\ =\left(\frac{1}{3}\right)\cdot\pi\cdot r^2\cdot h$  )

Find the volume of the sphere. 

(Formula:  $V\ =\left(\frac{4}{3}\right)\cdot\pi\cdot r^3$  )

The units for volume are always

The units for surface area are always

Find the volume. 

(Formula:  $V\ =\ l\cdot w\cdot h$  )

What is the height of the prism?