Question

Isabella uses the equation to find the volume of the cone below.

Answer 1

The answer is in fact D or Isabella should have divided the product of 12 Pie and 9 by 3 to get V= 12 Pie (9)/3

Answer 2

The correct answer option is: Isabella should have divided the product of
`12\pi` and 9 by 3 to get
`V=(12\pi (9))/(3)`

Explanation:

We are given a diagram of a cone with height
`9 cm` and area of the base (circle)
`12 \pi   cm^ 2`.

Isabella uses the equation
`V = \frac { 1 } { 3 } ( 12 ) ^ 2 ( 9 ) \pi` and we are to find the error that she is making in finding the volume of this cone.

The volume of a cone is given by:
`\pi r^2(h)/(3)` out of which
`\pi r^2` represents the area of the base (circle).

Therefore, Isabella should have divided the product of
`12\pi` and 9 by 3 to get
`V=(12\pi (9))/(3)`.