Question

if l and l are intersecting lines l is parallel to P and M is parallel to Q then show that P and Q intersect also

Answer 1

P II L           Q II M
L X M           

let's assume that P and Q don't intersect, so,
 
 P II Q ------i
 
But P II L and Q II M ----------ii

Therefore, equating I and ii, we get that,
L II M 

But we are given that L intersects M

Therefore, our assumption is contradicted,
Hence, P intersects Q. 

Answer 2

Answer:

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