234,152 views
42 votes
42 votes
I also need help on this one smh

I also need help on this one smh-example-1
User Mimic
by
2.9k points

1 Answer

22 votes
22 votes

Answer:

C. 176.6 Square feet (I think)

Explanation:

I tried many different ways and got three of the answers above but I think this is the right one.

The equation to find area of a circular cone base:
A= \pi r^2

  1. We are given the diameter (15 Feet) but we need to find the radius. So we use the diameter to radius formula:
    r = (d)/(2)
  2. Plug in numbers:
    r=(15)/(2)
    7.5
  3. Use the Area formula now that you have radius:
    A=\pi 7.5^2
  4. Solve and get =
    a = 176.71458676
  5. Looking at the options the closest one to our answer (off by one-tenth) is C.

Sorry if you get this wrong. I tried lol.

User Norcal Johnny
by
3.1k points