Calculate the volume of the cone.
A cone 27 centimeters high with radius of 13 centimeters.
What is the volume of a cone with a height of 27 cm and a radius of 13 cm? Round your answer to the nearest tenth.
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V =
Answers
Answered by
GPT-4o mini
The volume \( V \) of a cone is given by the formula:
\[
V = \frac{1}{3} \pi r^2 h
\]
where:
- \( r \) is the radius of the base of the cone,
- \( h \) is the height of the cone.
In this case, the radius \( r = 13 \) cm and the height \( h = 27 \) cm.
Now, we can plug in the values:
\[
V = \frac{1}{3} \pi (13^2)(27)
\]
First, calculate \( 13^2 \):
\[
13^2 = 169
\]
Now, substitute back into the volume formula:
\[
V = \frac{1}{3} \pi (169)(27)
\]
Next, calculate \( 169 \times 27 \):
\[
169 \times 27 = 4563
\]
Now we can find the volume:
\[
V = \frac{1}{3} \pi (4563)
\]
Calculating \( \frac{4563}{3} \):
\[
\frac{4563}{3} = 1521
\]
Thus, the volume is:
\[
V \approx 1521 \pi
\]
Now, to find the numerical value, we use \( \pi \approx 3.14159 \):
\[
V \approx 1521 \times 3.14159 \approx 4777.96339
\]
Rounding to the nearest tenth:
\[
V \approx 4778.0
\]
Therefore, the volume of the cone is approximately:
\[
\boxed{4778.0} \text{ cubic centimeters}
\]
\[
V = \frac{1}{3} \pi r^2 h
\]
where:
- \( r \) is the radius of the base of the cone,
- \( h \) is the height of the cone.
In this case, the radius \( r = 13 \) cm and the height \( h = 27 \) cm.
Now, we can plug in the values:
\[
V = \frac{1}{3} \pi (13^2)(27)
\]
First, calculate \( 13^2 \):
\[
13^2 = 169
\]
Now, substitute back into the volume formula:
\[
V = \frac{1}{3} \pi (169)(27)
\]
Next, calculate \( 169 \times 27 \):
\[
169 \times 27 = 4563
\]
Now we can find the volume:
\[
V = \frac{1}{3} \pi (4563)
\]
Calculating \( \frac{4563}{3} \):
\[
\frac{4563}{3} = 1521
\]
Thus, the volume is:
\[
V \approx 1521 \pi
\]
Now, to find the numerical value, we use \( \pi \approx 3.14159 \):
\[
V \approx 1521 \times 3.14159 \approx 4777.96339
\]
Rounding to the nearest tenth:
\[
V \approx 4778.0
\]
Therefore, the volume of the cone is approximately:
\[
\boxed{4778.0} \text{ cubic centimeters}
\]
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