countryboy:

A model of a volcano has a height of 12 in., and a diameter of 12 in. What is the approximate volume of the model? Use 3.14 to approximate pi, and express your final answer as a decimal. Enter your answer in the box. in³

5 months ago
MoonShadow:

ur welcome ;)

5 months ago
Shadow:

Let’s use the formula of a cylinder \[V = \pi r^{2} h\] Where V is the volume of the cylinder, r is the radius, and h is the height. They give us the diameter. Half the diameter is the radius, so we divide 10 by 2 and we get 5. \[V = \pi (5^{2})(10)\] \[V = 785.4 \] Be sure to add in^3

5 months ago
Shadow:

Sorry that took a bit long. Helping on mobile is slow.

5 months ago