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how can we find the radius of a circle if we know three points that lie on it. let those points be (a,b), (c,d), (e,f). Please teach me how to do these types of questions. Thank you

how can we find the radius of a circle if we know three points that lie on it. let those points be (a,b), (c,d), (e,f). Please teach me how to do these types of questions.
Thank you

Grade:

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

Use general equation of circle

identify G,H,C

using the known points

and then radius can be found

Please find the link for help

https://www.askiitians.com/revision-notes/maths/circle/

Regards

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