Problems(1)
A shape is created by joining seven unit cubes, as shown. What is the ratio of the volume in cubic units to the surface area in square units?[asy]
import three;
defaultpen(linewidth(0.8));
real r=0.5;
currentprojection=orthographic(1,1/2,1/4);
draw(unitcube, white, thick(), nolight);
draw(shift(1,0,0)*unitcube, white, thick(), nolight);
draw(shift(1,-1,0)*unitcube, white, thick(), nolight);
draw(shift(1,0,-1)*unitcube, white, thick(), nolight);
draw(shift(2,0,0)*unitcube, white, thick(), nolight);
draw(shift(1,1,0)*unitcube, white, thick(), nolight);
draw(shift(1,0,1)*unitcube, white, thick(), nolight);[/asy]<spanclass=′latex−bold′>(A)</span>1:6<spanclass=′latex−bold′>(B)</span>7:36<spanclass=′latex−bold′>(C)</span>1:5<spanclass=′latex−bold′>(D)</span>7:30<spanclass=′latex−bold′>(E)</span>6:25 geometry3D geometryratio