Circle And System Of Circles Question 36
Question: $ x=7 $ touches the circle $ x^{2}+y^{2}-4x-6y-12=0 $ , then the coordinates of the point of contact are
[MP PET 1996]
Options:
A) r
B) $ r^{2} $
C) 2r
D) $ \sqrt{r} $
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Answer:
Correct Answer: C
Solution:
Length of intercepted part is diameter i.e., 2r.