Question

Please friends I need this answer as soon as possible and in short.I will mark the correct and shortest answer brainiest ;D

Answer 1

To prove = AB parallel to CD

Given = pq parallel to rs

proof= here we can see that angle qbc and angle bcr will be alternate angle

qbc = bcr

and again by same reason

pbs = rbq

and by using linear angle property their sum will be 180°

abc=BCD

abc = BCD =90°

if both are 90

then they are parallel to each other

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