Evaluation Only. Created with Aspose.Words. Copyright 2003-2022 Aspose Pty Ltd. 第五章单元复习1.如图所示把一个长方形纸片沿EF折叠后点DC分别落在D′C′的位置.若∠EFB65°则∠AED′等于 A .70° B .65° C .50° D