The radius of two concentric circles are 9 cm and 15 cm. If the chord – McqOptions

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1.	The radius of two concentric circles are 9 cm and 15 cm. If the chord of the greater circle be a tangent to the smaller circle, then the length of that chord is
A.	24 cm
B.	12 cm
C.	30 cm
D.	18 cm
Answer» B. 12 cm

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