Respuesta :

We need to count the number of squares for the length and the width

lenght= L

width=W

L=11

W=5

Area of the complete rectangle

AR=L*W= 11*5=55 u^2

the shaded area is the half of the area of the rectangle

AS= shaded area

AS=55/2=27.5

AS=27.5 u^2

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