1.   Classify
   
    A. equiangular B. obtuse
    C. right D. acute
    Hint

  2.   Which figure is an isosceles triangle?
    A. B.
    C. D.
    Hint

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

  4.   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. 14 D. 9
    Hint

  5.   Triangle KMS is equilateral. Find KM if KM = x + 6, KS = 2x – 3, and MS = 4x – 21.
    A. 4 B. 15
    C. 21 D. 9
    Hint



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