几何作图在日常生活、工农业生产以及科学技术中都有重要的作用。运用不同的作图工具,可以做出不同的图形,当作图工具确定的情况下,可以作出的图形会受到限制,有一定范围。历史上,最基本的作图工具是直尺和圆规从古希腊起,数学家就开始热衷于研究如何用直尺和圆规(通常称做尺规作图 Geometry mapping in daily life, industrial and agricultural production and science and technology have an important role. The use of different drawing tools, you can make different graphics, graphics tools to determine the circumstances, the graphics can be made will be limited, to a certain extent. Historically, the most basic tools for drawing were rulers and compasses. Beginning in ancient Greece, mathematicians became keen on studying how rulers and compasses (often called ruler charts)