In the diagram, the smaller square has a side length of 3 centimeters, and the larger square has a side length of 24 centimeters. Calculate and compare the perimeters of the similar squares. What is the ratio of the small square to the larger square?

Enter the response as a fraction

1 answer

To find the perimeters of the squares, we use the formula for the perimeter of a square, which is given by:

\[ P = 4 \times \text{side length} \]

For the smaller square:

  • Side length = 3 cm
  • Perimeter of the smaller square:

\[ P_{\text{small}} = 4 \times 3 = 12 \text{ cm} \]

For the larger square:

  • Side length = 24 cm
  • Perimeter of the larger square:

\[ P_{\text{large}} = 4 \times 24 = 96 \text{ cm} \]

Now, we need to find the ratio of the perimeters of the smaller square to the larger square:

\[ \text{Ratio} = \frac{P_{\text{small}}}{P_{\text{large}}} = \frac{12}{96} \]

To simplify this fraction, we divide both the numerator and the denominator by 12:

\[ \frac{12}{96} = \frac{1}{8} \]

Thus, the ratio of the perimeter of the small square to the perimeter of the larger square is:

\[ \boxed{\frac{1}{8}} \]