One side of the rectangle is three times larger than the other. Three such rectangles were made up with the sides

One side of the rectangle is three times larger than the other. Three such rectangles were made up with the sides so that they turned out to be a square. The perimeter of the resulting square is 60 cm. Find the area of the rectangle.

A square is a quadrilateral in which all corners are straight and all sides are equal. The perimeter of a square is four times its side. From the condition of the problem, it is known that out of three rectangles they made a square, that is, one side of the rectangle is equal to the side of the square. To answer the question of the problem, you need to know the size of the side of the square.

1). Let’s determine what the side of the square is.

60/4 = 15 centimeters.

2). What is the other side of the rectangle?

15 * 3 = 45 centimeters.

3). Find the area of ​​the rectangle.

15 * 45 = 675 cm2.

Answer: The area of ​​a rectangle is 675 square centimeters.



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