document.write( "Question 99284: if two planes intersect, then their intersection is a what? \n" ); document.write( "
Algebra.Com's Answer #72245 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
line\r
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\n" ); document.write( "\n" ); document.write( "you can see this by folding a piece of paper\r
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\n" ); document.write( "\n" ); document.write( "if you picture each side of the fold as a plane; then their intersection is the crease, a line
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