Design an interface that enters values for r and h on a worksheet. Use a sub procedure to compute v and a and then display them back on the worksheet.

The volume and the area of the curved surface of a right circular cone can be computed with the following VBA expressions v 3.141593 rn 2 h/3 and A 3.141593 r 2 s where V volume (m3) 32, r radius (m), h height (m) and s the length of a side of the cone. Design an interface that enters values for r and h on a worksheet. Use a Sub procedure to compute V and A and then display them back on the worksheet. Test the program with r 2 and h .-4. Call matero hrohlem