Given:
Radius of the cone = 5 ft
Slant height of the cone = 21 ft
To find:
The surface area of the cone
Solution:
Surface area of cone formula:

where r is the radius and l is the slant height.




The surface area of the cone is 130π square feet.
The answer is 23 because I know this answer.
<span>he range if -5 ≤ y ≤ 5.
The period is 2π/(π/2) = 4.
The graph passes through (0, 0), has a maximum at (1, 5), crosses the x-axis at (2, 0), then has a minimum at (3. -5), and crosses the x-axis again at (4, 0). </span><span>
</span>
Answer:
30 dollars a hour
Step-by-step explanation: