cho hinh chop SABC co day ABC la tam giac vuong can tai B,canh ben SA vuong goc voi mat day va co do dai la $a\sqrt{3} $,canh ben SB tao voi day mot goc 60 do.tinh dtich toan phan cua hinh chop

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  • hoahoa.nhynhay: . 11/5/2018 1:39:46 PM
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  • hoahoa.nhynhay: ..................... 11/5/2018 1:39:52 PM
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  • Phương ^.^: ngủ hết rồi ạ? 7/20/2021 10:16:31 PM
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  • ducanh170208: xin chao mọi người 8/15/2021 10:23:39 AM
  • nguyenkieutrinh: hiu lo m.n 9/14/2021 7:30:55 PM
  • nguyenngocha651: Xin chào tất cả các bạn 9/20/2021 3:13:46 PM
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  • nguyenngocha651: ai 12 tủi, sinh k9 Ib Iw mik nhố 9/21/2021 10:22:38 AM
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