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Geometry Midterm Review

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  • T/F: Adjacent angles formed by perpendicular lines are complementary.
    False
  • Name all the ways to prove triangles congruent.
    SAS, SSS, ASA, AAS, HL
  • Find the measure of one interior angle of a regular polygon with 30 sides.
    168
  • "If <A = <B, then <B = <A" is an example of the ___ property
    symmetric
  • Which is larger: <3 or <4?
    <4
  • If ∆ABC = ∆XYZ, then <B = ?
    <Y
  • If m<1 = 65 and m<2 = 40, the longest side is ___
    XZ
  • How would you prove the triangles congruent?
    AAS
  • A triangle has a side of 5 and a side of 14. What are the possible values of the 3rd side?
    9<x<19
  • Find the m<5
    40
  • Name the longest side.
    GH
  • HG: Find x if (2x+1)/(4x-1) = 2/3
    2.5
  • The intersection of the angle bisectors in a triangle is called:
    Incenter
  • A/S/N: Two planes parallel to the same plane are ____ parallel to each other.
    Sometimes
  • If RT = RQ and m<7 = 50, find m<4.
    65
  • In the triangle, LO is a ______.
    Median
  • Name every special quadrilateral that has congruent sides.
    Rhombus, Square
  • If HI = 22 and LM = 17, find KJ.
    12
  • Give the reason: If M is the midpoint of AB, then AM = 1/2AB
    Midpoint Theorem
  • D, E, and F are midpoints. Find CD
    13
  • Always/Sometimes/Never: If two parallel lines are cut by a transversal, then the alternate interior angles are ___ supplementary.
    Sometimes
  • TG: Write the equation of the line perpendicular to y = 2/3x - 4 and goes through (4, -2)
    y= -3/2x + 4
  • Is knowing MS = OS and NS = PS enough to prove MNOP is a parallelogram?
    yes
  • A/S/N: A rectangle is a rhombus.
    Sometimes