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In Exercise 23 to 30, determine the value of
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Elementary Geometry For College Students, 7e
- In Exercises 30 to 32, write a formal proof of each theorem. If a transversal is perpendicular to one of two parallel lines, then it is also perpendicular to the other line.arrow_forwardIn Exercises 21 to 24, state whether the lines are parallel, perpendicular, the same coincident, or none of these. 2x+3y=6 and 4x+6y=12arrow_forwardIn Exercise 7 to 16, name the lines if any that must be parallel under the given conditions. lm and mnarrow_forward
- In Exercise 7 to 16, name the lines if any that must be parallel under the given conditions. lp and mqarrow_forwardIn exercises 29 to 35, complete a formal proof. If three parallel lines intercept congruent segments on one transversal, then they intercept congruent segments on any transversal.arrow_forwardIn Exercise 7 to 16, name the lines if any that must be parallel under the given conditions. 8 and 9 are supplementary.arrow_forward
- In Exercises 1 to 6, use line segments of given length a, b and c to perform the constructions. Construct a line segment of length 2b.arrow_forwardIn Exercise 7 to 16, name the lines if any that must be parallel under the given conditions. m8=110, pq, and m18=70arrow_forwardIn Exercise 7 to 16, name the lines if any that must be parallel under the given conditions. Exercise 7-16 120arrow_forward
- In Exercises 30 to 32, write a formal proof of each theorem. If two parallel lines are cut by a transversal, then the pairs of exterior angles on the same sides of the transversal are supplementary.arrow_forwardIn Exercises 31 to 33, give a formal proof for each theorem. If two lines are cut by a transversal so that a pair of exterior angles on the same side of the transversal are supplementary, then these lines are parallel.arrow_forwardIn Exercises 9 to 28, use the drawings as needed to answer the following questions. Name two lines that appear to be a parallel. b nonparallel.arrow_forward
- Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,Elementary Geometry for College StudentsGeometryISBN:9781285195698Author:Daniel C. Alexander, Geralyn M. KoeberleinPublisher:Cengage Learning