The locus of the centres of all circles of given radius r, in the same planes, passing through a fixed point is

The locus of the centres of all circles of given radius r, in the same

1.	The locus of the centres of all circles of given radius r, in the same planes, passing through a fixed point is
A.	A point
B.	A circle
C.	A straight line
D.	Two straight lines
Answer» C. A straight line

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The locus of the centres of all circles of given radius r, in the same planes, passing through a fixed point is

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