Question

I know the first part not sure of the 2nd

Answer 1

Given

The shell looks are a cone

Diameter is 5

Radius is half diameter which 2.5in

Slant length is 10in

Solution

The formula for the surface area of a cone

`=\pi r(r+l)`

Now, substitute the given parameters into the formula

`\begin{gathered} =\pi2.5(2.5+10) \\ =31.25\pi \\ =98.17477\text{ in}^2 \end{gathered}`