Name the intersection of plane n and plane j.

options:

c

< > ac

< > bd

bc

Line BD is the line of intersection.

1) C is just a point and therefore cannot be a line by itself.

2) Line AC includes points in plane N, but not in plane J. In order to be a line of intersection, all points within the line must be found in both planes.

3) BC is a segment, not a line. A geometric postulate relating the intersection of two planes states that their intersection is exactly one line. A segment does not continue infinitely like a line does.

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