1.   Which figure shows with mM = 90; mP > mN, and MP < MN?
    A. B.
    C. D.
    Hint

  2.   Which triangle is isosceles?
    A. with vertices F(-1,-5), G(-3,4), and H(5,2)
    B. with vertices A(3,0), B(0,6), and C(3,6)
    C. with vertices M(4,5), N(4,2), and P(-5,2)
    D. with vertices R(3,5), S(1,-8),and T(-1,7)
    Hint

  3.   Which figure is an obtuse triangle?
    A. B.
    C. D.
    Hint

  4.   Which statement is not true?
    A. A triangle can be obtuse and isosceles. B. A triangle cannot be obtuse and contain a 90° angle.
    C. A triangle cannot be scalene and isosceles. D. In an isosceles triangle, the base is congruent to one of the legs.
    Hint

  5.   ABC is ______.
   
    A. isosceles and scalene B. scalene and acute
    C. scalene but not acute D. equilateral
    Hint



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