∆ABC is mapped onto ∆A'B'C' which is then mapped onto ∆A"B"C". ∆ABC and ∆A"B"C" are shown in the diagram.
1 answer:
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Solution:
A plane is a two Dimensional figure.
The Intersection of two planes that do not coincide is always a line.
Consider two planes ,A and B, Following are the possibilities
1. They may be parallel to each other.→→→ No curve obtained
2. The planes A and B can Coincide with each other.→→→Intersection is a plane.
3. The planes A and B are intersecting.→→→→Intersection is a line.
