摘要:(1)∵∠A= . ∴AC∥ED (2)∵∠A+ =180°. ∴AB∥FD (3)∵ ∥ . ∴∠2+∠AED=180° . ∴∠C=
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如图,
(1)∵∠A=______(已知)
∴AC∥ED(______)
(2)∵∠2=______(已知)
∴AC∥ED(______)
(3)∵∠A+______=180°(已知)
∴AB∥FD(______)
(4)∵AB∥______(已知)
∴∠2+∠AED=180°(______)
(5)∵AC∥______(已知)
∴∠C=∠1(______)
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如图,(1)∵∠A= _________ (已知)
∴AC∥ED( _________ )
(2)∵∠2= _________ (已知)
∴AC∥ED( _________ )
(3)∵∠A+ _________ =180°(已知)
∴AB∥FD(_________)
(4)∵AB∥_________(已知)
∴∠2+∠AED=180°(_________)
(5)∵AC∥_________(已知)
∴∠C=∠1(_________)
∴AC∥ED( _________ )
(2)∵∠2= _________ (已知)
∴AC∥ED( _________ )
(3)∵∠A+ _________ =180°(已知)
∴AB∥FD(_________)
(4)∵AB∥_________(已知)
∴∠2+∠AED=180°(_________)
(5)∵AC∥_________(已知)
∴∠C=∠1(_________)
如图,(1)∵∠A= _________ (已知)∴AC∥ED( _________ )
(2)∵∠2= _________ (已知)∴AC∥ED( _________ )
(3)∵∠A+ _________ =180°(已知)∴AB∥FD(_________)
(4)∵AB∥_________(已知)∴∠2+∠AED=180°(_________)
(5)∵AC∥_________(已知∴∠C=∠1(_________)
(2)∵∠2= _________ (已知)∴AC∥ED( _________ )
(3)∵∠A+ _________ =180°(已知)∴AB∥FD(_________)
(4)∵AB∥_________(已知)∴∠2+∠AED=180°(_________)
(5)∵AC∥_________(已知∴∠C=∠1(_________)