Draw a line segment AB = 6 cm. Mark two points P and Q on it. Draw lines perpendicular to AB through P and Q (PR andQS). Are these parallel? Justify your answer.
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Answer:
yes they are parallel because angels made by them are 90 degree
and we know that coresponding angels sum is 180 degree
also 90+90=180
hence proved
Step-by-step explanation:
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