For a portable ladder, how should the base distance from the vertical wall relate to the ladder's working length to ensure a proper angle?

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Multiple Choice

For a portable ladder, how should the base distance from the vertical wall relate to the ladder's working length to ensure a proper angle?

Explanation:
The base should be about one-quarter of the ladder’s length away from the wall. This 4-to-1 rule places the ladder at roughly a 75-degree angle, which gives good stability: it’s not too vertical (which risks tipping backward or losing contact at the top) and not too shallow (which can make the base prone to slipping). So, for a ladder of length L, set the base at L/4 from the wall. That angle helps keep you safe while you work.

The base should be about one-quarter of the ladder’s length away from the wall. This 4-to-1 rule places the ladder at roughly a 75-degree angle, which gives good stability: it’s not too vertical (which risks tipping backward or losing contact at the top) and not too shallow (which can make the base prone to slipping). So, for a ladder of length L, set the base at L/4 from the wall. That angle helps keep you safe while you work.

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