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Standard VIII

Mathematics

Identifying Shapes and Areas of Different Regular Figures

A rectangular...

Question

A rectangular park is of length 48 cm and breadth 32 cm. It is paved for gardening along its boundary. If the width of the flower bed is 3 cm, find the area to be used for gardening.

666 cm²

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144 cm²

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444 cm²

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124 cm²

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Solution

The correct option is C
444 cm²

In the adjoining figure the shaded portion represents the gardening,

Thus, area of the gardening = Area of outer rectangle - area of inner rectangle

= (l x b) – {(l - 6) x (b - 6)}

= (48 x 32) – (42 x 26)

= 1536 –1092

= 444 cm²

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A rectangular park is of length 48 cm and breadth 32 cm. It is paved for gardening along its boundary. If the width of the flower bed is 3 cm, find the area to be used for gardening.

The correct option is C 444 cm2 In the adjoining figure the shaded portion represents the gardening, Thus, area of the gardening = Area of outer rectangle - area of inner rectangle = (l x b) – {(l - 6) x (b - 6)} = (48 x 32) – (42 x 26) = 1536 –1092 = 444 cm2

The correct option is C
444 cm²

In the adjoining figure the shaded portion represents the gardening,

Thus, area of the gardening = Area of outer rectangle - area of inner rectangle

= (l x b) – {(l - 6) x (b - 6)}

= (48 x 32) – (42 x 26)

= 1536 –1092

= 444 cm²