1.   Classify the triangle by its angles and by its sides.
   
    A. obtuse, isosceles B. obtuse, scalene
    C. acute, isosceles D. acute, equilateral
    Hint

  2.   Classify .
   
    A. right, equilateral B. obtuse, isosceles
    C. acute, scalene D. right, isosceles
    Hint

  3.   Classify the triangle by its angles and its sides.
   
    A. right, scalene B. acute, equilateral
    C. acute, isosceles D. right, isosceles
    Hint

  4.   The map of a trail is shown below. Find the value of x.
   
    A. 151° B. 150°
    C. 51° D. 141°
    Hint

  5.   Classify the triangle by it angles and by its sides.
   
    A. acute, isosceles B. acute equilateral
    C. right, isosceles D. acute, equilateral
    Hint



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