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  • Length of a tangent from a point (4,4) to the circle  isOpti

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

Option: 1

2\sqrt{14}


Option: 2

20


Option: 3

32


Option: 4

2\sqrt7


Answers (1)

 

Length of tangent = \sqrt{4^2+4^2-4}=\sqrt{28}=2\sqrt7

Posted by

Kshitij

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