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数学
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已知△ABC≌△DEF,若△ABC和周长为32,且AB=8,BC=12,试分别求出DE、EF、DF的长度.要过程.
人气:240 ℃ 时间:2019-08-26 07:23:16
解答
∵△ABC≌△DEF
∴AB=DE,BC=EF,AC=DF
∵C△ABC=32,AB=8,BC=12
∴AC=32-8-12=12
∴DE=AB=8,EF=BC=12,DF=AC=12
祝愉快!
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