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If two equal circles whose centres are O...

If two equal circles whose centres are O and intersect each o ′ other at the point A and B, OO′ =12 cm and AB= 16 cm, then radius of the circle is:
यदि दो बराबर वृत्त जिनके केंद्र O तथा o ′ हैं, एक-दूसरे को बिंदु A तथा B पर काटते हैं, तथा OO′ =12 सेमी एवं AB = 16 सेमी है, तो वृत्त की त्रिज्या ज्ञात करें |

A

15 cm

B

10 cm

C

14 cm

D

12 cm

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