Answer: to understand this we need a picture of the triangle, but without it I know that the only answer that is correct is the 3rd
Step-by-step explanation:
3 · t - 12 = 40
3t - 12 = 40 |add 12 to both sides
3t = 52 |divide both sides by 3
t = 52/3
t = 17 1/3
there's no exact answer for it because pi goes on forever
Answer:
1/6≈0.17≈17%
Step-by-step explanation: