Two planes intersect each other to form a ____.

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Detailed Solution

Two planes intersect each other to form a straight line.
Given two planes that intersect each other.
A plane is a surface made up of infinite line segments. Intersection refers to the crossing or meeting point of any two objects.
We know planes are made up of an infinite number of line segments, so when two planes meet each other or intersect (cross) each other, then their intersection is a line.
Question Image

Refer the above image if two distinct planes are either parallel or planes intersect each other in a line.
Thus, two planes intersect each other to form a line.
Therefore, the correct answer is straight line.

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