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Huỳnh Anh Phương

17/08/2018 at 13:33
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After Lina used the box, she ranks the box as shown. If each edge is 30cm long, find the area on the shadow region? Express your answer in 2 ways. 

30cm


areageometry


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    lê đức anh 11/01/2020 at 04:58

    độ dài cạnh hình vuông đậm là

         30:2=15cm

    S hình vuông đó là

           15x15=225cm\(^2\)

                     đ/s:225cm\(^2\)


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