A) 19 cm
B) 20 cm
C) 16 cm
D) \[\sqrt{150}\,cm\]
Correct Answer: A
Solution :
Produce BD to meet the bigger circles at E. Join AE. Then \[\angle AEB={{90}^{o}}\] [Angle in a semicircle] \[OD\bot BE\]You need to login to perform this action.
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