Introduction to Precalculus - DOC

							     Introduction to Precalculus                          Name ____________________
     Spring Break Celebration Quiz                                   March 23, 2007

     Show all work and indicate answers clearly. Round all answers to the nearest tenth.

     1. The Bermuda Triangle is a geographical area in the Atlantic Ocean that is infamous for
     the many people, aircraft, and surface vessels said to have disappeared within its bounds.
     The corners of the Bermuda Triangle are Bermuda, Miami, and San Juan, Puerto Rico.
                                                                                         (5 pts)
     BMS has sides b = 850 miles, m = 925 miles and s = 1300 miles. Find the distance
     from San Juan to a ship that has sunk half way between Bermuda and Miami.

                                                                                                B




                                                                                1300



                                                                                            925

                                                                 M


                                                                          850
                                                                                       S




     2. A regular octagon is inscribed in a circle of radius 10 inches. Determine the area of
     the octagon.                                                                       (5 pts)
     3. Solve for all possible triangles SUN given the following information:         (6 pts)

     s  25, u  41.5, S  29.7
                            






     4. Serena used the Law of Sines to calculate S in SKY . She found that sin S  1.135 .
     What can Serena assume?                                                         (2 pts)

                                                                  