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Co - ordinate Geometry Circles

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The line ax+by+c=0 is a normal to the circle x²+y²=r² . The portion of the line ax+by+c=0 intercepted by this circle is of length

A. r

B. r²

C. 2r

D. √r

E. None of the above

View Answer

Correct choice: C

Explanation:

Length of intercepted part is diameter i.e., 2r.

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Eamcet Mathematics Co - ordinate Geometry Circles

Eamcet Mathematics
Co - ordinate Geometry Circles