Problem 132 of 7
Solve for the unknown using tangent segments from the same external point: ZA=3y+9 and ZB=30.
Hints
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
set tangent lengths from same external point equal.
Hidden until you reveal it.
Segments must be tangent segments from the same external point.
Enter your answer
No answer yet
Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
Walkthrough shown
Full solution stays hidden until you ask for it.
1. Identify the two tangent segments from the same external point.
2. Set their lengths equal.
3. Solve the resulting equation.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using secant product rules for two tangent segments.