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1) angle and=40
and BCD=20+20=40
so,AB parallels CD by alternate interior angles property.
2)the sum of angle Dec and BCD is=160+20=180
because of their sum is 180 the line CD parallel of
from above we know that ab parallel CD and cd parallels of so from this we got ab parallels to EF
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and BCD=20+20=40
so,AB parallels CD by alternate interior angles property.
2)the sum of angle Dec and BCD is=160+20=180
because of their sum is 180 the line CD parallel of
from above we know that ab parallel CD and cd parallels of so from this we got ab parallels to EF
if u satisfied with my answer please follow me
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