Part I Write the letter for the correct answer in the blank at the right of each question. 1. Use a ruler to measure each side and a protractor to measure each angle . Which best describes the type of triangle? A acute scalene B obtuse equilateral C acute isosceles D obtuse isosceles Find the missing angle measures . 2. What is n angle1 ? / 60 degrees F 50 50 H 100 J 105 G 60 50 degrees 3. What is m angle2 ? A 4060 B 50D 100 4. If Delta SJL cong triangle DMT which segment corresponds to overline LS ? F DT H MD JMT GTD Part II 5. Find the measures of the sides of triangle ABC with vertices A(1, 3) , B(5, - 2) , and C(0, - 4) . Classify the triangle by its sides. 6. Determine which postulate can be used to prove that the triangles are congruent . If it is not possible to prove congruence , write not possible . 7. What is the maximum number of acute angles that a triangle can have? 8. Determine whether ADEF AJKL, given that D(2, 0) , E(5, 0) , F(5, 5) , J(3, - 7) , K(6, - 7) , and L(6, - 2)