Mathematics
In the given figure, O is the center of the circle and chord AB : chord CD = 5 : 3. If angle DOC = 60°; then ∠AOB is :
120°
75°
100°
80°
Circles
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Answer
Ratio of the angles subtended by the chords on the center is equal to the ratio of the chords.
Hence, Option 3 is the correct option.
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