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  • Length of a tangent from a point (-6,4) to the circle  isO

Length of a tangent from a point (-6,4) to the circle x^2+y^2=25 is

Option: 1

12


Option: 2

4\sqrt3


Option: 3

3\sqrt3


Option: 4

9


Answers (1)

best_answer

Length of tangent = \sqrt{(-6)^2+4^2-25}=\sqrt{36+16-25}=\sqrt{27}=3\sqrt3

Posted by

SANGALDEEP SINGH

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