Question

The side of a rectangler fest are in the ratio 5: 2and its area is equal 500 sq m. Find the perimeter.

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Answer 1

Correct Question:

The side of a rectangle plot in the ratio is 5 : 4 and its area is equal to 500 sq m. Find the perimeter .

Answer:

Perimeter of the plot is 90 m

Step-by-step explanation:

Given :

• The sides of the rectangle are in the ratio 5 : 4

• The area of the rectangle is 500 m²

To find :

the perimeter of the rectangle

Solution :

To find the perimeter, we must know the length of the sides of the rectangle.

The sides of the rectangular plot are in the ratio 5 : 4

Let

length of the rectangular plot = 5x

the breadth of the rectangular plot = 4x

The area of the rectangular plot = 500 m²

length × breadth = 500 m²

(5x) × (4x) = 500 m²

 20x² = 500 m²

  x² = 500/20

  x² = 25

  x = √25

  x ≈ 5 m

The length of the rectangular plot = 5(5) = 25 m

The breadth of the rectangular plot = 4(5) = 20 m

Perimeter of the rectangular plot = 2(length + breadth)

Perimeter of the rectangular plot = 2(25 m + 20 m)

Perimeter of the rectangular plot = 2(45 m)

Perimeter of the rectangular plot = 90 m

Answer 2

Answer:

HI

Step-by-step explanation:

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