30 metallic cylinders of same size are melted and cast in the form of cones having the same radius and height as those of the cylinders. Consider the following statements : Statement I: A maximum of 90 cones will be obtained. Statement II: The curved surface of the cylinder can be flattened in the shape of a rectangle but the curved surface of the cone when flattened has the shape of triangle. Which one of the following is correct in respect of the above ?

30 metallic cylinders of same size are melted and cast in the form of cones having the same radius and height as those of the cylinders.
Consider the following statements :
Statement I: A maximum of 90 cones will be obtained.
Statement II: The curved surface of the cylinder can be flattened in the shape of a rectangle but the curved surface of the cone when flattened has the shape of triangle.
Which one of the following is correct in respect of the above ?