A) \[21\,cm.\]
B) \[20.5\,cm.\]
C) \[41\,cm.\]
D) \[40\,cm.\]
Correct Answer: B
Solution :
Let ABC is a right angle triangle Here, \[AB==40cm.\,\,\,\Rightarrow BC=9cm.\] \[AC=41\text{ }cm\]. \[\therefore \] Length of radius of circumcircle \[=\,\,\,\,\frac{AC}{2}=\frac{41}{2}=\underline{\mathbf{20}\mathbf{.5}\,\mathbf{cm}\mathbf{.}}\]You need to login to perform this action.
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