Question

The radius of the circle passing through the point $(6, 2)$ and two of whose diameters are $x + y = 6$ and $x + 2y = 4$ is

• A. $4$
• B. $6$
• C. $20$
• D. $\sqrt{20}$

Answer 1

Answer: (D)

$\sqrt{20}$

Answer 2

Answer (d) $\sqrt{20}$