Given
Radius= 4 units
center = (2, -1)
Find
Pairs of coordinates represent points on the circle.
Step-by-step explanation
As, we know the equation of a circle with radius, r and centre (a,b) is given by
now, by substitute value of r and centre points in above equation
Now, by satisfying all the options in above equation,
so , the points satisfying the equation of circle.
FInal Answer
The correct option is A