Question

HELP PLS i need this right now

Answer 1

16.6

Explanation:

By the property of intersecting secants outside of a circle, we have:

`5 * (5 + x) = 6 * (6 + 12) \\ 25 + 5x = 6 * 18 \\ 25 + 5x = 108 \\ 5x = 108 - 25 \\ 5x = 83 \\ x = (83)/(5) \\ x = 16.6`