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(2009•綦江县)如图,直线EF分别与直线AB,CD相交于点G、H,已知∠1=...
(2009•綦江县)如图,直线EF分别与直线AB,CD相交于点G、H,已知∠1=∠2=50°,GM平分∠HGB交直线CD于点M.则∠3=( )
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A.60°
B.65°
C.70°
D.130°
考点分析:
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