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

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

  3.   Find the measure of each angle in if °,
°, and is a right angle.
    A. 90°, 70°, 20° B. 90°, 60°, 30°
    C. 90°, 65°, 25° D. 90°, 55°, 35°
    Hint

  4.   Find the value of x in RST if m R = 3x°, mS = 3x°, and mT = 90°.
    A. x = 45 B. x = 10
    C. x = 15 D. x = 20
    Hint

  5.   A triangle with three congruent sides is called ____________.
    A. Obtuse B. Right
    C. Equilateral D. Scalene
    Hint



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