The figure shows a right circular cylinder with AC being a diameter of its upper face. AB and CD are two vertical lines on the curved surface; A curve is drawn on the surface of the cylinder from B to C. Find its shortest length in terms of pi and in surd form if necessary.
@hartnn @chainedecho

Question

The figure shows a right circular cylinder with AC being a diameter of its upper face. AB and CD are two vertical lines on the curved surface; A curve is drawn on the surface of the cylinder from B to C. Find its shortest length in terms of pi and in surd form if necessary.
@hartnn @chainedecho

anonymous · Answer

|dw:1418047081419:dw|
whooops poor drawing

anonymous · Answer

ok let use this one

hartnn · Answer

if i cut the cylinder vertically along AC
i will get something like this :

hartnn · Answer

|dw:1418047337912:dw|