Find the area of the shaded part in the given figure, if the sides of the outer square are 9 cm and sides of the inner square are 5 cm.[3 Mark]

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Solution

Area of the square = side x side
Area of the outer square= 9 x9 [1 Mark]
Area of the outer square=81 sq cm
Area of the inner square= 5 x 5
Area of the inner square= 245sq cm[1 Mark]
Area of the shaded part= area of the outer square- Area of the inner square
Area of the shaded part=81-25
Area of the shaded part=56 sq cm[1 Mark]

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