tell me the volume of a cylinder with a radius of 6 and a height of 15

9 answers

The volume \( V \) of a cylinder can be calculated using the formula:

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

where \( r \) is the radius and \( h \) is the height.

Given:

  • Radius \( r = 6 \)
  • Height \( h = 15 \)

Now, plug in the values:

\[ V = \pi (6)^2 (15) \] \[ V = \pi (36) (15) \] \[ V = \pi (540) \] \[ V \approx 3.14 \times 540 \approx 1695.6 \]

Thus, the volume of the cylinder is approximately \( 1695.6 \) cubic units.

pi = 3.14

Using \( \pi \approx 3.14 \), let's calculate the volume of the cylinder with a radius of 6 and a height of 15 again.

Using the volume formula for a cylinder:

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

Where:

  • \( r = 6 \)
  • \( h = 15 \)

Substituting the values:

\[ V = 3.14 \times (6)^2 \times 15 \] \[ V = 3.14 \times 36 \times 15 \] \[ V = 3.14 \times 540 \] \[ V = 1695.6 \]

Thus, the volume of the cylinder is \( 1695.6 \) cubic units.

thanks now do a cone with the same radius and height

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

\[ V = \frac{1}{3} \pi r^2 h \]

Given:

  • Radius \( r = 6 \)
  • Height \( h = 15 \)

Substituting the values in with \( \pi \approx 3.14 \):

\[ V = \frac{1}{3} \times 3.14 \times (6)^2 \times 15 \]

Calculating it step-by-step:

  1. Calculate \( (6)^2 \): \[ (6)^2 = 36 \]

  2. Substitute that into the volume formula: \[ V = \frac{1}{3} \times 3.14 \times 36 \times 15 \]

  3. Calculate \( 36 \times 15 \): \[ 36 \times 15 = 540 \]

  4. Now substitute that back into the formula: \[ V = \frac{1}{3} \times 3.14 \times 540 \]

  5. Calculate \( \frac{1}{3} \times 540 \): \[ \frac{1}{3} \times 540 = 180 \]

  6. Finally, calculate \( 3.14 \times 180 \): \[ V \approx 3.14 \times 180 = 565.2 \]

Thus, the volume of the cone is approximately \( 565.2 \) cubic units.

how is 1^3 times 540 180

Let's clarify the calculation step related to the volume of the cone.

You are correct; I should have been clearer in the explanation. Here's the step we need to focus on:

The volume formula for the cone we started with is:

\[ V = \frac{1}{3} \pi r^2 h \]

Substituting our values with \( \pi \approx 3.14 \), \( r = 6 \), and \( h = 15 \):

\[ V = \frac{1}{3} \times 3.14 \times (6)^2 \times 15 \]

Calculating step by step:

  1. Calculate \( (6)^2 \): \[ (6)^2 = 36 \]

  2. Now substitute that into the volume formula: \[ V = \frac{1}{3} \times 3.14 \times 36 \times 15 \]

  3. Calculate \( 36 \times 15 \): \[ 36 \times 15 = 540 \]

  4. Now substitute that back into the formula: \[ V = \frac{1}{3} \times 3.14 \times 540 \]

  5. Now calculate \( \frac{540}{3} \): \[ \frac{540}{3} = 180 \]

This step is where the multiplication by \( \frac{1}{3} \) happens. So, it should be interpreted as dividing 540 by 3, which equals 180.

  1. Finally, calculate \( 3.14 \times 180 \): \[ V \approx 3.14 \times 180 \approx 565.2 \]

So the volume of the cone is indeed approximately \( 565.2 \) cubic units.

Thank you for your patience, and I hope this clears up any confusion!

your welcome now can you do a sphere with a radius of 6.

Sure! The volume \( V \) of a sphere can be calculated using the formula:

\[ V = \frac{4}{3} \pi r^3 \]

Given:

  • Radius \( r = 6 \)

Substituting the values in with \( \pi \approx 3.14 \):

\[ V = \frac{4}{3} \times 3.14 \times (6)^3 \]

First, calculate \( (6)^3 \):

\[ (6)^3 = 216 \]

Now substitute that into the volume formula:

\[ V = \frac{4}{3} \times 3.14 \times 216 \]

Next, calculate \( \frac{4 \times 216}{3} \):

  1. Calculate \( 4 \times 216 \): \[ 4 \times 216 = 864 \]

  2. Now divide by 3: \[ \frac{864}{3} = 288 \]

Now, substitute that back into the formula:

\[ V \approx 3.14 \times 288 \]

Finally, calculate \( 3.14 \times 288 \):

\[ V \approx 903.36 \]

Thus, the volume of the sphere with a radius of 6 is approximately \( 903.36 \) cubic units.