Q. AB is a chord of the circle and its center is “O”. ON is perpendicular to AB. If the length of AB=20 cm, ON-(2√11) cm, find the radius (in cm) of the circle.
A) 12
B) 10
C) 15
D) 13
✔ Correct Answer: 12
Exam Insight
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A) 12
B) 10
C) 15
D) 13
✔ Correct Answer: 12
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