1.   Classify
   
    A. acute B. right
    C. equiangular D. obtuse
    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. U, V, Z
    C. X, Y, Z D. W, X, Y
    Hint

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

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



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