Circle And System Of Circles Question 267

Question: The radius of a circle which touches y-axis at (0,3) and cuts intercept of 8 units with x-axis, is

[IIT 1972]

Options:

A) 3

B) 2

C) 5

D) 8

Show Answer

Answer:

Correct Answer: C

Solution:

Radius is $ r=\sqrt{4^{2}+3^{2}}=5 $ .