<span>Principal measurements for 5 "regular" sizes based on stature of 64 inches and ... A combination of a vertical and a horizontal measurement must be used if all the .... When the level was set in a horizontal plane, the angle of the shoulder slope ...... the same dis- advantages as then - colinear cousins but to a greater- degree.</span>
the answer is 78 kilometers.
1 cm=15 kilometers
so, 6 cm is equal to 90 kilometers.
0.8 millimetres is approximately 12 kilometers.
90 kilometers minus 78 kilometers is equal to 12.
