Answer:
ST = 14.49
Explanation:
To solve this problem, we can use power of a point. We get the equation:
ST^2 = TQ x TR
TQ is equal to TR + RQ which is 30. Now, we can substitute what we have:
ST^2 = 30 x 7
ST^2 = 210
ST ≈ 14.4913767462
We can round this to 14.49