find the volume for the cylinder

height: 12.4 cm^3
radius: 6.2 cm^3

use pi x r^2 x h

1 answer

To find the volume of a cylinder, you can use the formula:

\[ V = \pi r^2 h \]

where:

  • \( V \) is the volume,
  • \( r \) is the radius, and
  • \( h \) is the height.

You mentioned the height as 12.4 cm³ and the radius as 6.2 cm³; however, the height should be in centimeters (cm), not cubic centimeters (cm³). I will use the values provided assuming they're in cm:

  • Height (\( h \)): 12.4 cm
  • Radius (\( r \)): 6.2 cm

Now we can calculate the volume:

\[ V = \pi (6.2, \text{cm})^2 (12.4, \text{cm}) \]

First, calculate \( r^2 \):

\[ (6.2)^2 = 38.44, \text{cm}^2 \]

Now substitute that back into the volume formula:

\[ V = \pi \times 38.44, \text{cm}^2 \times 12.4, \text{cm} \]

Now calculate it step by step:

\[ V = \pi \times 38.44 \times 12.4 \]

Calculating \( 38.44 \times 12.4 \):

\[ 38.44 \times 12.4 = 476.576, \text{cm}^3 \]

Now multiply by \( \pi \) (approximately 3.14159):

\[ V \approx 3.14159 \times 476.576 \approx 1499.438, \text{cm}^3 \]

Thus, the volume of the cylinder is approximately:

\[ V \approx 1499.44, \text{cm}^3 \]