A protractor is a fundamental measuring tool used in mathematics and various fields that require precise angle measurement. Typically constructed from transparent plastic or more durable materials, protractors are essential for performing tasks that range from basic geometry problems in classrooms to intricate engineering designs. In this article, we will delve into the history of the protractor, explore its various types, provide insights into its proper usage, discuss practical applications, share fun facts, and wrap up with a look at the future without this crucial tool. The History of the Protractor The origins of the protractor can be traced back to ancient civilizations, with early evidence suggesting that the Egyptians and Greeks utilized simple angular measurements for astronomical and architectural purposes.