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In the given figure, ABC is a triangle in which, `AB = 12 cm, AC = 6 cm `and altitude `AD = 4 cm`. If `AE `is the diameter of the circumcircle, than what is the length (in cm) of circum-radius?

A

3

B

`7.5`

C

12

D

15

Text Solution

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The correct Answer is:
B
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