the line y=x is a tangent at 0,0to a circle with radius 1 , the its centre is???
sreya r , 6 Years ago
Grade 12
1 Answer
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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