Determine whether the ff. are Always True, Sometimes True, or Always False. 1. If plane ABC is parallel to line 12 and plane XYZ is also parallel to line 12, then plane ABD is parallel to plane XYZ 2. If line LM appear parallel to line OP in two adjacent reference planes, then line LM and line OP are parallel. 3. If plane A is parallel to plane B, and plane B is parallel to plane C, then plane A is also parallel to plane

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter5: Similar Triangles
Section5.6: Segments Divided Proportionally
Problem 33E
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Determine whether the ff. are Always True, Sometimes True, or Always False. 1. If plane ABC is parallel to line 12 and plane XYZ is also parallel to line 12, then plane ABD is parallel to plane XYZ 2. If line LM appear parallel to line OP in two adjacent reference planes, then line LM and line OP are parallel. 3. If plane A is parallel to plane B, and plane B is parallel to plane C, then plane A is also parallel to plane C. 4. In the same reference plane, if plane A is true size and plane B is edgeview, then the 2 planes are parallel. 5. If the edgeviews of the 2 planes are parallel in the same reference plane, then the 2 planes are parallel.
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