Flag Analytical Geometry> the line y=x is a tangent at 00,0to0to a circle wit
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the line y=x is a tangent at 00,0to0to a circle with radius 11 , the its centre is???

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sreya r , 6 Years ago
Grade 12
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Amit

Last Activity: 6 Years ago

The line y=x is tangent at 0,0. Let the coordinates of centre beh,k hence h²+k²=1 because circle passes through origin. Also y=x is tangent and radius is perpendicular to tangent hence centre lies on y=-x or h=-k .. solve to get answer

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