Answer :
Final answer:
School crossing signs are pentagon-shaped, designed to quickly alert and warn drivers about the presence of school zones.
Explanation:
Signs that warn of a school crossing or school zone ahead are in the shape of a pentagon. This distinctive five-sided shape helps to quickly alert drivers to the presence of a school zone where children may be crossing, meaning that extra caution should be taken. Interestingly, the use of shapes in signage is a method of communication that can convey important messages without the necessity for words. For example, an octagon is universally recognized as the shape for a stop sign.
