The <u>correct answer</u> is:
Line L must be perpendicular to both line O and line P as well.
Explanation:
Since N, O and P are all parallel, any line that intersects N will intersect O and P at the same angle. Since L is perpendicular to N, intersecting at a right angle, this means it must be perpendicular to O and P also.
V = a^3
729 = a^3
9^3 = a^3
9 = a
answer. side length = 9 in
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