Irritating And Minute Details Of Things That Are Also Funny

While doing the math the quality and accuracy of the tools being used are of great importance. If the tools are not accurate it will lead to wrong results while solving any math problem. For instance, if you are using a flawed compass you might not be able to draw a perfect shape. 

In this specific scenario, the protractor has been used as a tool for math but the protractor is not accurate. The line of the protractor is not even straight and this shows the major product flaw on the hands of the manufacturers. This inaccurate protractor cannot be relied upon to do math without error.