=0 is the answer to the equation
Answer:
You asked this second time
Answer: 283 cm2
Step-by-step explanation:
The formula for finding the surface area of a cone is:
A=
Where r is the radius and h is the height.
Replacing: 
Solving: 282,7 ≈ 283cm2
Answer:
396,503
Step-by-step explanation: