Answer:
5
Step-by-step explanation:
2.63x5 = 15.78
X=12 because 12 times 12 equals 144 or 12 to the power of two equals 144
Answer:
No
Step-by-step explanation:
Let's use the Pythagorean Theorem. For those of you that don't know, it is
.
11 is the bigger side in this case, so our formula would go like this:
.
We now calculate to see if this is true.
25 + 36
121
Therefore, the answer is wrong.
Answer:
39 pi cubic inches
Step-by-step explanation:
The volume of a cone is (1/3)(area of the base)(height).

Find the area of the circular base. The circumference of a circle is
, so

Now that you know the radius of the circular base, you can find its area:

The height of the cone is 13. Time to use the volume formula.
