Honors midterm review

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					            Geometry Midterm Reveiw
____    1. ____ two points are collinear.
           a. Any                         b. Sometimes                      c. No

____    2. If                                           find the values of x, EF, and FG. The drawing is not to
           scale.
               E             F                  G



        3. If Z is the midpoint of     what are x, RZ, and RT?


               R                 Z              T

                      5 x - 22        53

        4.         and        are complementary angles. m            =      , and m       =      . Find the
        measure of each angle.
____    5. Find the distance between points P(5, 4) and Q(3, 2) to the nearest tenth.
        6. A high school soccer team is going to Columbus, Ohio to see a professional soccer game. A
           coordinate grid is superimposed on a highway map of Ohio. The high school is at point (3, 4) and the
           stadium in Columbus is at point (7, 1). The map shows a highway rest stop halfway between the
           cities. What are the coordinates of the rest stop? What is the approximate distance between the high
           school and the stadium? (One unit 4.3 miles.)
____    7. What conjecture can you make about the product of 13 and 8,888,888?
              88           =        1144
              888          =       11,544
              8888         =      115,544
              88,888       =    1,155,544
____    8. What is a counterexample for the conjecture?
           Conjecture: The product of two positive numbers is greater than the sum of the two numbers.
____  9. Another name for an if-then statement is a ____. Every conditional has two parts. The part following
         if is the ____ , and the part following then is the ____.
____ 10. For the following true conditional statement, write the converse. If the converse is also true, combine
         the statements as a biconditional.
         If x = 5, then x2 = 25.
____ 11. Name the Property of Equality that justifies this statement:
         If m = n, then     .
____ 12. Complete the two-column proof.
            Given:

            Prove:
____ 13. What is the value of x?



                                 (7x – 2)°



                                 (6x + 14)°


                        Drawing not to scale




____ 14. Write a two-column proof for:
         Given:       and    are supplementary.
         Prove:
                                       m

                                  Z Y
                                              l
                                 X W

                         E F
                                              n
                        G H




____ 15. Which two lines are parallel?
               I.
               II.
               III.

____ 16. What is an equation in point-slope form for the line perpendicular to y = 2x – 12 that contains (2, –4)?
____ 17. What other information do you need in order to prove the triangles congruent using the SAS
         Congruence Postulate?
                    A
                   (
                   (




              B     C        D



____ 18. What is the value of x?



                        xº




                  48°
              Drawing not to scale
____ 19.        is a perpendicular bisector to  at between M and P.                    By which of the
           five congruence statements, HL, AAS, ASA, SAS, and SSS, can you immediately conclude that


____ 20. Find the value of x.



                     14


                                            2x – 9




____ 21. Q is equidistant from the sides of                                  Find the value of x. The diagram is not to scale.

                                                T
                                                     |
                                                |




                                                             |
                                                                     Q


                                          3)°
                                     +2
                                                                     |




                                 x
                              (2
                                     27°                                 R
                 S


____ 22. Three security cameras were mounted at the corners of a triangular parking lot. Camera 1 was 131 ft
         from camera 2, which was 145 ft from camera 3. Cameras 1 and 3 were 109 ft apart. Which camera
         had to cover the greatest angle?
____ 23. If                 what is the relationship between
                               D




            A                  B                    C

____       24.                 In the parallelogram,                           and                 Find            diagram is not to scale.
                          P                                      Q



                                            O




                S                                        R




____ 25. For the parallelogram, if                                           and               find        The diagram is not to scale.
                                     3                               4


                          2                                  1
26. In parallelogram DEFG, DH = x + 3, HF = 2y, GH = 3x – 1, and HE = 5y + 5. Find the values of x and y. The
diagram is not to scale.
                                         D                             E




                                                  H


                                     G                         F




____ 27. If                                      and                find the values of x and y for which
         LMNO must be a parallelogram. The diagram is not to scale.
                O                                          N




                         L                                         M

____         28.  What is the most precise name for quadrilateral ABCD with vertices A(–2, 2), B(0, 6), C(6, 6),
and D(4, 2)?
 ____ 29. Find the measure of the numbered angles in the rhombus. The diagram is not to scale.
                                                 41º



                                         1
                                                  3


                                         2

 ____       30.                  In rectangle PQRS, PR = 18x – 24 and QS = x + 146. Find the value of x and the length of
 each diagonal.
                     P                                 Q




                     S                                 R

 ____          31.                                                                                           What is the
                             A               B
 value of x?

                     L                            M




                D                                      C

                                                                                                     K
                                                                                    B


                                                                                                J
                                                                           A                                 L
                                                                                            C
                                                                               10               35
                                                                                        5
                                                                                                         x
                                                                                    D
 ____          32. Find the value of x for the figure at right                                       M
____ 33. Find the geometric mean for 252 and 7
____ 34. Are the two triangles similar? How do you know?
                       D


                       53°
                                               G


                                                    67°
                 60°                          60°
             C                   E       F          H



____ 35. Use the information in the diagram to determine the height of the tree to the nearest foot.




____ 36. Michele wanted to measure the height of her school’s flagpole. She placed a mirror on the ground 48
feet from the flagpole, then walked backwards until she was able to see the top of the pole in the mirror. Her eyes
were 5 feet above the ground and she was 12 feet from the mirror. Using similar triangles, find the height of the
flagpole to the nearest tenth of a foot.




____ 37. What is the value of x, given that                   ?

                             A

                        7            x
                       P                  Q

                 28                                 20


                 B                                        C

           Find the length of the missing side. The triangle is not drawn to scale.

____ 38.

                                         25




                                         24
____ 39. Write the tangent ratios for                 and        .
                     P


                                    29
                 21

                 R                                Q
                               20

                 Not drawn to scale

            a.                                                       c.

            b.                                                       d.


            Use a trigonometric ratio to find the value of x. Round your answer to the nearest tenth.

____ 40.

                         
                  x


                               9

                     Not drawn to scale


____ 41. A large totem pole in the state of Washington is 100 feet tall. At a particular time of day, the totem
         pole casts a 249-foot-long shadow. Find the measure of        to the nearest degree.


                                                        100 ft

                 A
                                         249 ft

				
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