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Chu vi hình vuông là 2800 cm . Hỏi cạnh hình vuông đó dài bao nhiêu m?

The diagonals of a rectangle enclose an angle of measure 78o . If the perimeter of the rectangle is 36 , what is its area?

A 72,1

B 77,9

C 80,1

D 82

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The diagonals of a rectangle enclose an angle of measure . If the perimeter of the rectangle is , what is its area?

A 72,1

B 77,9

C 80,1

D 82

PreviousNext