A man claims that his lot is triangular, with one side 450 m long and the adjacent side 200 m long. The angle opposite one side is . Determine the other side length of this lot to the nearest metre.

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.