Maths-
General
Easy
Question
If the sides of triangles are 
then radius of the Circumcentre is
Hint:
In this question we can see that the sides of the triangle are pythagorean triplet. So, the triangle will be Right angle triangle. The radius of a Circumcircle for a right angle triangle is half the length of the hypotenuse.
The correct answer is:
In this question we have to find the radius of the circumcentre.
Step1: Using Pythagoras theorem
The sides of the triangle are given as 
.
We can easily see that 
.
Hence, the given triangle is right angle triangle with hypotenuse side being 
Step2: Radius of Circumcircle.
In a right angle triangle the radius of circumcircle is half the length of the hypotenuse of the triangle.
That is 
radius = 
So, the radius of circumcircle is .
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