16.如圖.已知矩形.將沿對(duì)角線折疊.記點(diǎn)的對(duì)應(yīng)點(diǎn)為′.若′=20°.則的度數(shù)為 . 查看更多

 

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如圖,已知矩形,將沿對(duì)角線折疊,記點(diǎn)的對(duì)應(yīng)點(diǎn)為′,若′=20°,則的度數(shù)為       _

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如圖,已知矩形,將沿對(duì)角線折疊,記點(diǎn)的對(duì)應(yīng)點(diǎn)為′,若′=20°,則的度數(shù)為       _

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如圖,已知矩形,將沿對(duì)角線折疊,記點(diǎn)的對(duì)應(yīng)點(diǎn)為′,若′=20°,則的度數(shù)為       _

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如圖,已知矩形,將沿對(duì)角線折疊,記點(diǎn)的對(duì)應(yīng)點(diǎn)為′,若′=20°,則的度數(shù)為       _

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如圖,已知矩形,將沿對(duì)角線折疊,記點(diǎn)的對(duì)應(yīng)點(diǎn)為′,若′=20°,則的度數(shù)為       _

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