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3 votes
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

User Nulldroid
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2 Answers

1 vote

Answer:

its Vietnamese

Explanation:

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

User Christian Callau
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4.3k points
6 votes

I am not understanding the language

User Mluker
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