A sector OABO of central angle theta is ...

A sector OABO of central angle `theta` is constructed in a circle with centre O and of radius 6. The radius of the circle that is circumscribed about the triangle OAB, is

A

`6 "cos" (theta)/(2)`

B

`6 "sec" (theta)/(2)`

C

`3 "sec" (theta)/(2)`

D

`3("cos"(theta)/(2)+2)`

Text Solution

Verified by Experts

The correct Answer is:

C

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