若二次函数的图象经过点P(-2,4),则该图象必经过点( )
A.(2,4) | B.(-2,-4) | C.(-4,2) | D.(4,-2) |
如图,能判定EB∥AC的条件是()
A.∠C=∠ABE | B.∠A=∠EBD | C.∠C=∠ABC | D.∠A=∠ABE |
如图,AB∥CD,AE交CD于C,∠A=34°,∠DEC=90°,则∠D的度数为()
A.17° | B.34° | C.56° | D.124° |
如图,直线a∥b,射线DC与直线a相交于点C,过点D作DE⊥b于点E,已知∠1=25°,则∠2的度数为()
A.115° | B.125° | C.155° | D.165° |
如图,直线l1∥l2,l3⊥l4,∠1=44°,那么∠2的度数()
A.46° | B.44° | C.36° | D.22° |
如图,直线AB、CD被直线EF所截,AB∥CD,∠1=110°,则∠2等于()
A.65° B.70° C.75°D.80°