Is given an angle £ and an segment AB. Haw can I draw an arc from A to B such the central angle corresponding to it to be £ ?
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This is how a program would do it: https://math.stackexchange.com/questions/390272/drawing-an-arc-between-two-points – NoChance Jun 25 '19 at 12:57
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Have you seen questions similar to yours, such as this one? – Toby Mak Jun 25 '19 at 12:58
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If you find any point $C$ such that $\angle ACB = £/2$, then the $AB$ arc of the circumcircle of $\triangle ABC$ will work.
You can do this by finding any two angles that add to $180^\circ - £/2$, and drawing one of them at $A$ and the other one at $B$, both with $AB$ as one of the angle legs, and let $C$ be where the two new angle legs intersect.
Arthur
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