A professional baker uses a chocolate mold to make decorations for cakes. One chocolate mold is in the shape of a cone and has a diameter of 2 cm and a height of 6 cm. What volume of chocolate, in cubic centimeters, is needed to make a solid chocolate cone? Use 3.14 for π

π
.(1 point)
Responses

18.84 cubic centimeters
18.84 cubic centimeters

12.56 cubic centimeters
12.56 cubic centimeters

6.28 cubic centimeters
6.28 cubic centimeters

37.68 cubic centimeters

1 answer

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

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

where \( V \) is the volume, \( r \) is the radius of the base, \( h \) is the height, and \( \pi \) is approximately 3.14.

Given:

  • The diameter of the cone is 2 cm, which means the radius \( r \) is half of that:

\[ r = \frac{2}{2} = 1 \text{ cm} \]

  • The height \( h \) is 6 cm.

Now, substituting these values into the volume formula:

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

Calculating this step-by-step:

  1. Calculate \( r^2 \):

\[ r^2 = 1^2 = 1 \]

  1. Multiply by the height:

\[ 1 \times 6 = 6 \]

  1. Now, multiply by \( \pi \):

\[ 3.14 \times 6 = 18.84 \]

  1. Finally, take one-third of that:

\[ V = \frac{1}{3} \times 18.84 = 6.28 \]

Thus, the volume of the cone is:

\[ \boxed{6.28} \text{ cubic centimeters} \]