1.

Two tangents OA and OB are drawn to the circle x^(2)+y^(2)+4x+6y+12=0from origin O. The circumradius of DeltaOAB is :

Answer»

`(1)/(2)`
1
2
`(SQRT(13))/(2)`

SOLUTION :Circum radius `=(sqrt((0+2)^(2)+(0+3)^(2)))/(2)=(sqrt(13))/(2)`UNIT


Discussion

No Comment Found

Related InterviewSolutions