如图,等腰梯形ABCD中,AD∥BC,AE∥DC,∠AEB =60°,AB =" AD" = 2cm,则梯形ABCD的周长为 ( )
A.6cm | B.8cm | C.10cm | D.12cm |
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如图,等腰梯形ABCD中,AD∥BC,AE∥DC,∠AEB =60°,AB =" AD" = 2cm,则梯形ABCD的周长为 ( )
A.6cm | B.8cm | C.10cm | D.12cm |