Question

4.
The ratio of the perimeter of a rectangle to the perimeter of a square is 5:4.
If the length of the rectangle is 18 cm and its breadth is 12 cm, what is the length
of each side of the square?
The length of each side of the square is​

Answer 1

Answer:

48 is answer

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Answer 2

Answer:

12 cm

Explanation:

Let the variable of ratio be x.

p. of rectangle / p. of square = 5x / 4x

2 (l + b) / 4a = 5x / 4x

2 (18 + 12) = 5x

60 = 5x

x = 12 cm.

Perimeter of square = 4x

4a = 4x+

4a = 4 * 12

4a = 48

a = 12 cm.

Side of square = 12 cm

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