What is 20% of 58cm?

To determine what 20% of 58 cm is, you start by converting the percentage into a decimal. This can be done by dividing the percentage by 100, so 20% becomes 0.20. Next, you multiply this decimal by the length in centimeters:

0.20 × 58 cm = 11.6 cm.

This calculation shows clearly how to derive 20% of a given measurement. Therefore, recognizing that 11.6 cm is the outcome of this multiplication reinforces the understanding of calculating percentages in practical situations, particularly in measurements like centimeters.