Created on · tangent-points
Determines tangent points from an external point to a circle.
This calculation requires JavaScript. Enable JavaScript and reload the page.
T = (r²/|P|²)P ± (r√(|P|²−r²)/|P|²)·(−Py,Px)
Sources: Elementary Euclidean geometry and trigonometry.
You need a free account to save. Your inputs remain available and will be saved after you sign in.
Nothing found.
What can we improve? Please describe your feedback as specifically as possible.
5 to 5,000 characters
About this page:
Thank you. Your feedback has been saved.
Reference: