Circle And System Of Circles Question 175
Question: If the circles of same radius a and centers at (2, 3) and (5, 6) cut orthogonally, then a =
[EAMCET 1988]
Options:
A) 1
B) 2
C) 3
D) 4
Show Answer
Answer:
Correct Answer: C
Solution:
$ {{(C_1C_2)}^{2}}=r_1^{2}+r_2^{2}\Rightarrow 2a^{2}=18\Rightarrow a=3 $ .
BETA
