4 1/3 there you go hope I helped
Answer:
482.7972612 cm. Just round from here.
Step-by-step explanation:
Ah, the sine law questions. Ok so you know
. If you don't, voila. Obviously, the variables are different but we can use the same formula. So, we have

Plug in:

The answer when solving for x is the above
Since it starts at 12 and is increasing by 5 each time, the 70th term will be;
12 + 5(70)
12 + 350
362
362 is the 70th term of the sequence.