A) 2.0 unit
B) 2.5 unit
C) 3.0 unit
D) 3.5 unit
Correct Answer: B
Solution :
Sides are 3, 4, 5 since \[{{3}^{2}}+{{4}^{2}}={{5}^{2}}\] So, triangle is a right angle triangle. Hence\[R=5/2=2.5\].
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