Question

A square and a rectangle have the same perimeter. Calculate the area of the rectangle if the side of the square is 60 cm and the length of the rectangle is 80 cm.​

Answer 1

Step-by-step explanation:

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Perimeter of square formula = 4 × side of the square

Hence,

➠P (square) = 4 × 60 = 240 m

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Perimeter of rectangle formula = 2 × (Length + Breadth)

Hence,

➠P (rectangle) = 2 (80 + Breadth) = 160 + 2 × Breadth

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According to the given question,

➩160 + 2 × Breadth = 240

➩2 × Breadth = 240 – 160

➩Breadth = 80/2

➩Breadth of the rectangle = 40 m

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⇝Now, the area of rectangle = Length × Breadth = 80 × 40 = 3200m²

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Answer 2

Answer:

The square and the rectangle have the same perimeter. Side of the square is 60 cm. Therefore perimeter of the square = 4 × 60 cm = 240cm

4×60cm=240

1. hence,4×60=240cm