Answer:
7 units
Step-by-step explanation:
The formula for a circle is: [tex](x-x_1)^2+(y-y_1)^2=r^2[/tex] , where (x_1, y_1) is the center of the circle and r is the radius.
Right now, we see that r^2 = 49, so to find r, we square root 49 and get 7.
Thus, the answer is 7 units.
Hope this helps!
