+450 Two tangents $\overline{PA}$ and $\overline{PB}$ are drawn to a circle, where $P$ lies outside the circle, and $A$ and $B$ lie on the circle. The length of $\overline{AB}$ is $4,$ and the circle has a radius of $5.$ Find the length $AB.$
+1950 The length of $\overline{AB}$ is $4,$...Find the length $AB.$
The answer is 4. :)
