Circle — JEE Main 2021 · 17 Mar, Morning shift · Q3129 · Alror
Circle
JEE Main 2021 · 17 Mar, Morning shift · Q3129
MathematicsMedium127×since 2002Q3129
The line 2x − y + 1 = 0 is a tangent to the circle at the point (2, 5) and the centre of the circle lies on x − 2y = 4. Then, the radius of the circle is :