Answer:
Option A.
Step-by-step explanation:
we know that
If AB is tangent to the circle
then
The triangle show in the figure must be a right triangle
Remember that
If a triangle is a right triangle, then the triangle must satisfy the Pythagorean Theorem
<u><em>Verify</em></u>
Applying the Pythagorean Theorem
-----> is not true
so
Is not a right triangle
therefore
line AB is not tangent to the circle