Answer :
The distance from the origin to the point (3,4) is the radius of the circle.
That distance is √(3² + 4²) = √(9 + 16) = √25 = 5 .
The equation of a circle centered at the origin is
x² + y² = (radius)²
So this circle is [ x² + y² = 25 ]
That's Choice-'K'.
That distance is √(3² + 4²) = √(9 + 16) = √25 = 5 .
The equation of a circle centered at the origin is
x² + y² = (radius)²
So this circle is [ x² + y² = 25 ]
That's Choice-'K'.