如图,直线AB,CD相交于点O,∠EOC=70°,OA平分∠EOC,则∠BOD= .
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CD相交于点O,OA平分∠EOC,∠EOC=70°,则∠BOD的度数等于( )
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CD相交于点O,OA平分∠EOC,∠BOD=28°,则∠EOC的度数等于( )
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CD相交于点O,OA平分∠EOC,∠EOC=70°,则∠BOD的度数等于( )
A.20° B.30° 35° 40°
CD相交于点O,OA平分∠EOC,∠EOC=70°,则∠BOD的度数等于( )
A.40° B.35° 30° 20°
20°; 40°; 50°; 80°;
CD相交于点O,OA平分∠EOC,∠EOC=70°,则∠BOD的度数等于( )
A.40° B.35° 30° 20°
CD相交于点O,OA平分∠EOC,∠EOC=70°,则∠BOD的度数等于( )A.40° B.35° 30° 20°
CD相交于点O,OA平分∠EOC,∠EOC=70°,则∠BOD的度数等于( )
A.40° B.35° 30° 20°
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