tinhf1402 tinhf1402

17-07-2021
Mathematics

contestada

cho hình thang vuông abcd vuông tại A và D có AD= a căn 3, DC=3,AB= 2a. chứng minh AC vuông góc với BD

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shalmalee shalmalee

17-07-2021

I am not understanding the language

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standifordca26 standifordca26

31-10-2021

Answer:

its Vietnamese

Step-by-step explanation:

I just dont understand what that type of math is? sorry ):

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