# Did Thales know the degree measure of angles? Did he know how to build an angle of 1 degree? If not, what is the smallest angle

October 31, 2020 | Education

| **Did Thales know the degree measure of angles? Did he know how to build an angle of 1 degree? If not, what is the smallest angle, measured by an integer number of degrees, he could build?**

The degree measure of angles has long been known in Babylon, and Thales undoubtedly knew it. But Thales could not build an angle less than 15 degrees and measured by an integer number of degrees (for this you need to be able to build a regular pentagon).

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