for making an angle of 60o should we take radius more than half radius or less than half radius of the base line?
Refer the following link for the answer to your query :
https://www.meritnation.com/ask-answer/question/me-to-know-how-to-make-an-angle-of-60-degree-with-compa/practical-geometry/736982
https://www.meritnation.com/ask-answer/question/me-to-know-how-to-make-an-angle-of-60-degree-with-compa/practical-geometry/736982