Parallel Lines and Transversals Test Review **Test is on Monday, 10/24** 1. Find m ⁄ Q. (The diagram is not to scale) Q R 70° 50° m ⁄ Q = _________________ 2. Use the diagram to find the following: t 1 2 4 3 5 6 8 7 l k a pair of corresponding angles: _____________________________________ a pair of alternate interior angles: _________________________________ a pair of alternate exterior angles: _________________________________ a pair of same-side interior angles: ________________________________ Name the postulate or theorem that proves l || k for the given information. Use the diagram below and the answer choices for #s 3-5. t ___________ 3. m ⁄ 1 = m ⁄ 7 1 2 4 3 ___________ 4. m ⁄ 4 + m ⁄ 5 = 180˚ 5 6 8 7 l k ___________ 5. m ⁄ 2 = m ⁄ 6 a. If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent. b. If two parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent. c. If two parallel lines are cut by a transversal, then the pairs of alternate exterior angles are congruent. d. If two parallel lines are cut by a transversal, then the same-side interior angles are supplementary. 6. Solve for x x = _____________________ (2x 2) (3x) 7. If m ⁄ 8 = 107˚, what is the sum of the m ⁄ 1 and m ⁄ 4? m ⁄ 1 + m ⁄ 4 = _______________________ 8. Construct two parallel lines. Label line r parallel to line q 9. Using the following conditional statement If two lines are parallel, then the corresponding angles are congruent. Write the following: Hypothesis (p): ___________________________________________________________________________ Conclusion (q): _______________________________________________________________________________ Converse: __________________________________________________________________________________ Inverse: ____________________________________________________________________________________ Contrapositive: ___________________________________________________________________________ Parallel Lines and Transversals Test Review Answer Sheet 1. m ⁄ Q = 2. Possible answers: 3. 60˚ a pair of corresponding angles: ⁄ 1 and ⁄ 5 a pair of alternate interior angles: ⁄ 4 and ⁄ 6 a pair of alternate exterior angles: ⁄ 2 and ⁄ 8 a pair of same-side interior angles: ⁄ 3 and ⁄ 6 c. If two parallel lines are cut by a transversal, then the pairs of alternate exterior angles are congruent. 4. d. If two parallel lines are cut by a transversal, then the same-side interior angles are supplementary. 5. a. If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent. 6. x=2 7. m ⁄ 1 + m ⁄ 4 = 214˚ 8. See printed out notes I gave you on constructing parallel lines. 9. Hypothesis (p): two lines are parallel Conclusion (q): the corresponding angles are congruent Converse: If corresponding angles are congruent, then two lines are parallel. Inverse: If two lines are not parallel, then the corresponding angles are not congruent. Contrapositive: If the corresponding angles are not congruent, then two lines are not parallel.