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Matt troy ppt


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Matt troy ppt

  1. 1. Pre Calculus <br />Mr. Blair Troy and MattProblem Numbers: 8 and 14 <br />
  2. 2. Problems <br />#8.) A ship leaves port at noon and has a bearing of S 27 W. If its speed is 20 knots, how many nautical miles south and how many nautical miles west will the ship have traveled by 6 pm?<br />#14.) The angle of elevation from a point on the ground to the top of a pyramid is 35 degrees. The angle of elevation from a point 135 ft. farther back to the top of the pyramid is 21 degrees. Find the height of the pyramid? <br />
  3. 3. Problem #8<br />120<br />X<br />27<br />X<br />
  4. 4. Problem #8<br />Sin27= X/120<br />Cos27= X/120<br />Answer: South = 54.5 Nautical Miles <br />Answer: West = 106.9 Nautical Miles <br />
  5. 5. Problem #14 <br />21<br />35<br />H<br />135<br />X<br />
  6. 6. Problem #14 <br />Tan21 = H/135 + X Tan35 = 4/X<br />Tan21(135 + X)= Tan35 X<br />Answer: 163.8<br />