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HKD1710
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We don't know if L3 and L4 are parallel or not, so we can not determine.
Option E

Posted from my mobile device
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But if l3 and l4 are parallel then x = 100....?

This is a solid trap question
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But if l3 and l4 are parallel then x = 100....?

This is a solid trap question


Correct, as angles around a line must = 180,

x+80 = 180
x= 100
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