- Area of Rectangle(square)Choice J
Area of bigger rectangle = $(5+1+1)\times (5+1)=42$
Area of smaller rectangle (square) = $5\times 5=25$
⇒ Area of she shaded region = $42-25=17$
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Area of bigger rectangle = $(5+1+1)\times (5+1)=42$
Area of smaller rectangle (square) = $5\times 5=25$
⇒ Area of she shaded region = $42-25=17$
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