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The area of the square is : 9 x 9 = 81 (cm2)
Selected by MathYouLike -
Vũ Mạnh Hùng 03/12/2017 at 20:24
9*9=81(cm2)
it is correct can you check and for me
huynh anh phuong selected this answer. -
Trần Quỳnh Anh 27/12/2017 at 19:39
The edge of square is 9cm
\(\Rightarrow\) The area : 9.9=81 (cm2)
So the area is 81 cm2