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Two circles of radius 15 cm and 12 cm in...

Two circles of radius 15 cm and 12 cm intersect each other, and the length of their common chord is 18 cm. What is the distance (In cm) between their centres?

A

`18 + sqrt(7)`

B

`15+ sqrt(7)`

C

`12 + 2sqrt(7)`

D

`12 + 3sqrt(7)`

Text Solution

Verified by Experts

The correct Answer is:
D
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