There are 2.54 cm in one inch and there are 18 inches in half a yard so there are 2.54 times 18 = 45.72 cm in half a yard.
Only basic disks can be cloned with Acronis True Image 2016. You cannot clone dynamic disks. Checking if you have basic or dynamic disks. You can use Windows Disk Management to see if you have basic or dynamic disks: Hit Start-Run and type in diskmgmt.msc.
The following section discusses the different processes that are used by dynamic disks and volumes and discusses the ways in which those processes interact. This section assumes that your computer has at least three dynamic disks and that the dynamic disk is functioning properly.