Trigonometry Worksheet - DOC

							                                       Trigonometry Worksheet
                                               MPM 2D

1. Copy the triangles and label each side as ‘opposite’, ‘adjacent’ or ‘hypotenuse’.
   Decide on a trigonometric ratio and find the length of the unknown side.

   a)                         b)                 7              c)   4              d)
                                       46°
                                                                              y            q
        x            12

                    75°                                                                                       28°
                                             y                                30°
                                                                                                    20




2. Calculate the length of side x in each triangle.

   a)           8                      b)                                c)         62°
                    55°
                                                     12
                                                                                               10
        x                                                                             x
                                                          45°
                                                     x


3. Which trigonometric ratio would you use to find each of the marked angles?
   Solve for the marked angle.
                                                          16
   a)                                  b)        q                       c)

        9                                                                                 25
                                                                                                         15
                     y                               23
                4                                                                   m




4. Find the length of the unknown side angle and the measure of all angles.

            A


                          10.0cm
     6.0cm



         B           a             C


5. a) Draw PQR, where Q=90, PQ=10cm and QR=15cm.
   b) Find the length of PR and the measures of P and R.