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Question 18 (1 point) In ABC, a = 9.4 m, b = 16.1 m, and AC: 68. Determine 43 to the nearest degree. Question 15 (1 point) A man claims that a certain field is triangular, with one side 200 m long and the adjacent side 84 m long. The angle opposite one side is 20. Determine the other side length of this lot to the nearest metre. 272 m 311 m O 359 m Question 16 (1 point) Determine the measure of the angle a to the nearest degree. 120 mm 1 13 m O e= 390 #= 400 #=410 #= 420 Question 17 (1 point) Determine x to the nearest tenth of a metre. 4.6 m 770 6.3 m