A Normal Ant vs A Brilliant Ant

Geometry Level pending

A Normal Ant and A Brilliant ant was at a vortex of a 3 x 4 x 5 cuboid. They wanted to reach the lump of sugar on the opposite vortex of the 3 x 4 x 5 cuboid.

The Normal Ant crawled on the sides of the cuboid, until it reached the lump of sugar on the opposite vortex.

The Brilliant Ant digged through the cuboid, until it reached the lump of sugar on the opposite vortex.

Assume that the shortest possible distance the Normal Ant could have crawled is X X , and the shortest possible distance the Brilliant Ant could have digged is Y Y .

Obviously the Brilliant Ant reached the lump of sugar first, so what is X X - Y Y ? Round your answer to 1 decimal point.

2.5 2.8 2.9 2.3

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