Page 712 - Basic College Mathematics with Early Integers
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CHAPTER 9 REVIEW                          689

            Find the volume of each solid.

                                         22
            80. Give an approximation using   for  .p             81.
                                          7
                          5~ in.
                                                                      5 in.

                          12 in.
                                                                        4 in.
                                                                                   7 in.








            Solve.

            82. Find the volume of air in a rectangular room 15 feet  83. A mover has two boxes left for packing. Both are
                by 12 feet with a 7-foot ceiling.                     cubical, one 3 feet on a side and the other 1.2 feet on
                                                                      a side. Find their combined volume.




            Given that the pair of triangles is similar, find the unknown length n.

            84.


                12q
                               9≈



                     8s            n
   707   708   709   710   711   712   713   714   715   716   717