Answer:
t = 30
Explanation:
Intersecting Chords Formula:
(segment piece) x (segment piece) = (segment piece) x (segment piece)
t*12 = 10 *(t+6)
Distribute
12t = 10t+60
Subtract 10 t from each side
12t - 10t = 10t+60-10t
2t = 60
Divide by 2
2t/2 = 60/2
t =30