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how to find the distance of a circle from a given straight line

Profile image of Abhishek Kulkarni
12 Years agoGrade 11
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1 Answer

Profile image of Abhishek Doyal
12 Years ago
if circle's center is (a,b) and straight line eq is px+qy+r=0
then the perpendicular distance from center to straight line using this formula
d=(pa+qb+r)/(p^2+q^2)^.5
D=d-R the distance of a circle from a given straight line where R is the radius of a circul