Calculate the values labeled 10m, 5m, 3m, 1m, and 2m.

The horizontal segments are:

• The first segment on the left: $10\text{m}$
• The horizontal projection of the diagonal segment (labeled "$5\text{m}$" along the diagonal): $5\text{m}$
• The segment between the $5\text{m}$ and $2\text{m}$ vertical lines: $1\text{m}$
• The segment between the $2\text{m}$ and $7\text{m}$ vertical lines: $1\text{m}$
• The last segment on the right: $10\text{m}$

The total horizontal distance represented in the diagram is $\text{27m}$.