1.   Refer to the figure shown. Name the vertices of the equilateral triangle.
   
    A. W, X, Y B. U, V, Z
    C. X, Y, Z D. U, Z, W
    Hint

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

  3.   Triangle RST is isosceles with as the vertex angle. If ST = 3x - 11, SR = x + 3, and RT = x - 2, find RT.
   
    A. 5 B. 7
    C. 9 D. 14
    Hint

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

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