Answer: C
Step-by-step explanation:
To find the surface area of a cone, you use the formula
. Since we are already given the height and radius, all we have to do is plug in the values and solve.
[solve inside of square root]
[parenthesis]
[multiply]

Therefore, the closest answer is C.
One way of calculating the volume would be to convert all of these measurements to decimal:
V = (18 in)(30 in)(8 in) = 4320 cubic in
Answer:
1,177.5cm^3 of candle wax will be required.
Step-by-step explanation:
The attached files contain further information so please check them.
Step-by-step explanation:
7:8:9=<u>10.5</u>:12:<u>1</u><u>3</u><u>.</u><u>5</u>.
hope this helps you.