The option third radius for circle A is 4, the radius for circle B is 3 and the point of intersection is (4,3) and the tangent equation is x = 4 is correct.
What is a circle?
It is described as a set of points, where each point is at the same distance from a fixed point (called the center of a circle)
We have two circles in the graph plot:
From the graph plot:
For the circle:A the radius is 4
For the circle:B the radius is 3
The point of intersection point (4, 3)
The tangent line will be:
x = 4
Thus, the option third radius for circle A is 4, the radius for circle B is 3 and the point of intersection is (4,3) and the tangent equation is x = 4 is correct.
Learn more about circle here:
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