1.   In , , , and are medians. What is DB if IB = 42?
   
    A. 42 B. 14
    C. 7 D. 28
    Hint

  2.   Which figure shows altitude ?
    A. B.
    C. D.
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  3.   Identify an altitude in .
   
    A. B.
    C. D.
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  4.   If bisects BDE, what is m 1 if mBDE = 81?
   
    A. 81 B. 40.5
    C. 162 D. 121.5
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  5.   In , what is FE?
   
    A. 65 B. 50
    C. 12 D. 10
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  6.   by _______.
   
    A. HL B. LL
    C. HA D. LA
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  7.   Find the length of the hypotenuse of the right triangle.
   
    A. 12 cm B. 144 cm
    C. 16.8 cm D. 40.32 cm
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  8.   Is a triangle with sides measuring 6, 8, and 10 a right triangle? Why or why not?
    A. No; B. Yes; 102 = 82 + 62
    C. Yes; 6 + 8 > 10 D. No; 102 - 82 = 62
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  9.   Which equation can be used to find the distance between two points?
    A. d =
    B. d =
    C. d =
    D. d =
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  10.   Find the distance between A(-4, 3) and B(7, 4) to the nearest tenth.
    A. 11.0 B. 13.4
    C. 6.3 D. 7.6
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  11.   Medians of a triangle intersect at a common point called the ______.
    A. center B. vertex
    C. centroid D. concurrent
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  12.   In AJW, is an angle bisector. mWAC = x + 17 and
mJAC = 8x - 60. Find mWAJ.
   
    A. 28 B. 56
    C. 77 D. 11
    Hint

  13.   In isosceles MNP, is a median and mP = 72.
Find mPMR.
   
    A. 144 B. 72
    C. 36 D. 18
    Hint

  14.   Is PTC LAF? Why or why not?
   
    A. yes; LA B. no; congruent sides are not shown
    C. no; corresponding angles are not congruent D. yes; HA
    Hint