The length of the sides of the rectangle is 1.2 dm and 25 cm, express them in meters and find the perimeter of the rectangle.

univerkov | March 15, 2021 | education

based on the fact that 1 m = 10 dm = 100 cm, the measurements of the rectangle are:

1.2 dm: 10 = 0.12 m – width.

25 cm = 0.25 m – length.

Let’s find the perimeter of such a figure, substituting the obtained measurements to the formula:

P = 2a + 2b = 2 * 0.12 + 2 * 0.25 = 0.24 + 0.5 = 0.74 m.

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