Mathematics
P is a moving point and AB is a chord of a circle. If P moves, within this circle, in such a way that it is at equal distances from points A and B. The locus of P is :
a chord perpendicular to chord AB
a chord that bisects the chord AB
a diameter of the circle
the diameter of the circle which is perpendicular to chord AB
Locus
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Answer
Let O be the center of the circle and AB be the chord.
Draw XY, perpendicular bisector of AB.

We know that,
Locus of a point equidistant from two given points is the perpendicular bisector of the line joining the two points.
∴ XY is the locus of point P.
We know that,
Perpendicular to a chord passes through center of the circle.
We know that,
Chord passing through the center is the diameter.
Locus of point P is the diameter of the circle which is perpendicular to chord AB.
Hence, Option 4 is the correct option.
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Related Questions
Use ruler and compasses only for this question.
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