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In a triangle ABC ,if a=3 , b=4 , c=5 ...

In a triangle ABC ,if ` a=3 , b=4 , c=5 ` then the distance between its incentre and circumcentre is

A

`1/2`

B

`(sqrt(3))/(2)`

C

`3/2`

D

`(sqrt(5))/2`

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The correct Answer is:
D
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