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I get too points A and B, and I want to draw an arc that passes over the two points (in other words, determinate the circle center coordinate C). I know the radius, and angle, and the two points coordinates.

I hope I'm clear.

Could you help me ?

Thanks.

Florian Mac Langlade
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1 Answers1

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You know the distance from two points to the center of the circle (the radius). Draw two circles with the same radii but with center of these two known points A and B. Where these two circles intersect is the center of the circle you are looking for.

I'm not sure what you mean by "I know the [..] angle"

Moberg
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  • "I know the [..] angle" => I get the Arc angle (for example 30°) and radius (for example 50px). – Florian Mac Langlade Jul 03 '14 at 12:56
  • If you mean the angle between the radii to A and B respectively from the circle center, that is superfluos information if u know the radius. Anyway, with the given information you will have two circles to choose from that meet the requirement. – Moberg Jul 04 '14 at 11:22