In the zone method when the upper half of the sphere is divided into four equal width zones, what will be the development of the uppermost zone?

In the zone method when the upper half of the sphere is divided into

1.	In the zone method when the upper half of the sphere is divided into four equal width zones, what will be the development of the uppermost zone?
A.	Cone frusta
B.	Circle of small radius
C.	Cone of small altitude
D.	Cylinder of small altitude
Answer» D. Cylinder of small altitude