How to find intersection two planes? (ABCD X ELF)

• The P frontal projection plane passes through the EF line of the ELF plane
• The points of intersection of the plane P and the plane ABCD (1 and 2) are found
• Find the point N of the intersection of the line EF with the line connecting points 1 and 2
• The S horizontal projection plane passes through the BC line of the ABCD plane
• The points of intersection of the S plane and the ELF plane (3 and 4) are found
• Find the point M of the intersection of the line BC with the line connecting points 3 and 4
• The line connecting points N and M is the line of intersection of the planes
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[@sarcastic_drop5278]

tysm

[@rifat6049]

AWESOME

[@descriptivegeometrypro]

Thank you so much!