A conical paper cup is to have a height of 4 inches. Find the radius r of the cone that will result in a surface area of 6x3.14 inches squared

Question

jtvatsim · Answer

do you have the formula for the surface area of a cone?

anonymous · Answer

I think so, I think it's 3.14 times the square root of the (radius squared plus the height squared)

jtvatsim · Answer

looking it up, it looks like it should be pi times the radius times the square root of ...

anonymous · Answer

Oh yeah, that's it. I got 1.417, and it's not the right answer.

anonymous · Answer

So do you have the right answer?