Calculate the area and perimeter of a rectangle, the length of the sides of which is 3 cm, and the width is 2 times greater.

Find the width of the rectangle, it is twice the length. Multiply the length by 2.

a = 3 cm * 2 = 3 cm.

Let’s calculate the perimeter of the rectangle. Add the length and width, and multiply their sum by 2.

P = (6 cm + 3 cm) * 2 = 18 cm.

Answer: The perimeter of the rectangle is 18 cm.



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