Question

what additional piece of information must be known in order to calculate the volume of the cylinder below?

the diameter of a base
the height of the cylinder
the area of a base
the radius of a base

Explanation:

Identify the given information from the diagram

$$ \text{Given: } r = 7\text{ in (radius of the circular base)} $$

Recall the formula for the volume of a cylinder

$$ V = \pi r^2 h $$

Determine the missing variable

$$
LATEXBLOCK0
$$

Answer:

• the diameter of a base
• the height of the cylinder (Correct answer)
• the area of a base
• the radius of a base