Complete each statement with the word always, sometimes, or never. 1. If AB intersects CD, then AB _?_ intersects CD. 2. If two planes intersect, their intersection is ___ a line. 3. If a 1 c and b 1 c, then a and b are____ parallel. 4. If two parallel planes are cut by a third plane, then the lines of intersection are ____coplanar. 5. A scalene triangle _____ has an acute angle.
Complete each statement with the word always, sometimes, or never. 1. If AB intersects CD, then AB _?_ intersects CD. 2. If two planes intersect, their intersection is ___ a line. 3. If a 1 c and b 1 c, then a and b are____ parallel. 4. If two parallel planes are cut by a third plane, then the lines of intersection are ____coplanar. 5. A scalene triangle _____ has an acute angle.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Complete each statement with the word always, sometimes, or never.
1. If AB intersects CD, then AB _?_ intersects CD.
2. If two planes intersect, their intersection is ___ a line. 3. If a 1 c and b 1 c, then a and b are____ parallel.
4. If two parallel planes are cut by a third plane, then the lines of intersection
are ____coplanar.
5. A scalene
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