Mathematics
JAMB 1987
What is the locus of the mid-points of all chords of length 6cm within a circle of radius 5cm and with centre 0
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A.
A circle of radius 4 cm and with centre O
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B.
The perpendicular bisector of the chords
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C.
a straight line passing through centre O
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D.
A circle of radius 6 cm and with centre O
Correct Answer: Option B
Explanation
The locus of the mid-point of all chords of length 6cm within a circle of radius 5cm and with centre O is the perpendicular bisectors of the chords.
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