If arcs AXB and CYD of a circle are congruent, then what is the ratio of chord AB and chord CD?
A
1 : 2
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B
1 : 1
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C
2 : 1
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D
None of these
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Solution
The correct option is B 1 : 1 We have ˆAXB≅ˆCYD Since, if two arcs of a circle are congruent, then their corresponding chords are equal, so we have chord AB = chord CD Hence AB : CD 1 : 1