HSC Mathematics Standard 2 Practice Exam 2025 – Comprehensive All-in-One Study Guide for Success!

Question: 1 / 400

What is the perimeter of a square with a side length of 5 cm?

15 cm

20 cm

To find the perimeter of a square, you can use the formula:

\[

\text{Perimeter} = 4 \times \text{side length}

\]

In this case, the side length of the square is given as 5 cm. Substituting this value into the formula:

\[

\text{Perimeter} = 4 \times 5 \, \text{cm} = 20 \, \text{cm}

\]

This calculation shows that the perimeter of the square is 20 cm. The perimeter effectively measures the total distance around the square, which is why multiplying the side length by 4 is appropriate, as there are four sides of equal length in a square.

The other options do not represent the correct calculation for the perimeter based on the given side length.

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25 cm

10 cm

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